Home / 1,108,002.60-1,662,522.30-477,455.40

Finding the Fourth Proportional to 1,108,002.60, 1,662,522.30 and 477,455.40

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Solution

The fourth proportional to 1,108,002.60, 1,662,522.30 and 477,455.40 is: 716,406.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,108,002.60 : 1,662,522.30 = 477,455.40 : x
  2. Step 2: Convert to fraction form
    1,108,002.60/1,662,522.30 = 477,455.40/x
  3. Step 3: Cross multiply
    1,108,002.60x = 1,662,522.30 × 477,455.40
  4. Step 4: Simplify right side
    1,108,002.60x = 793,780,249,755.42
  5. Step 5: Solve for x
    x = 793,780,249,755.42/1,108,002.60
  6. Step 6: Final answer
    x = 716,406.49

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.