Home / 1,781,002.64-2,670,839.64-715,684.16

Finding the Fourth Proportional to 1,781,002.64, 2,670,839.64 and 715,684.16

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Solution

The fourth proportional to 1,781,002.64, 2,670,839.64 and 715,684.16 is: 1,073,259.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,781,002.64 : 2,670,839.64 = 715,684.16 : x
  2. Step 2: Convert to fraction form
    1,781,002.64/2,670,839.64 = 715,684.16/x
  3. Step 3: Cross multiply
    1,781,002.64x = 2,670,839.64 × 715,684.16
  4. Step 4: Simplify right side
    1,781,002.64x = 1,911,477,624,248.10
  5. Step 5: Solve for x
    x = 1,911,477,624,248.10/1,781,002.64
  6. Step 6: Final answer
    x = 1,073,259.29

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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.