Home / 836,674.40-1,255,011.60-777,625.40

Finding the Fourth Proportional to 836,674.40, 1,255,011.60 and 777,625.40

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Solution

The fourth proportional to 836,674.40, 1,255,011.60 and 777,625.40 is: 1,166,438.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,674.40 : 1,255,011.60 = 777,625.40 : x
  2. Step 2: Convert to fraction form
    836,674.40/1,255,011.60 = 777,625.40/x
  3. Step 3: Cross multiply
    836,674.40x = 1,255,011.60 × 777,625.40
  4. Step 4: Simplify right side
    836,674.40x = 975,928,897,454.64
  5. Step 5: Solve for x
    x = 975,928,897,454.64/836,674.40
  6. Step 6: Final answer
    x = 1,166,438.10

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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.