Home / 836,280.55-1,248,101.02-755,568.10

Finding the Fourth Proportional to 836,280.55, 1,248,101.02 and 755,568.10

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Solution

The fourth proportional to 836,280.55, 1,248,101.02 and 755,568.10 is: 1,127,642.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,280.55 : 1,248,101.02 = 755,568.10 : x
  2. Step 2: Convert to fraction form
    836,280.55/1,248,101.02 = 755,568.10/x
  3. Step 3: Cross multiply
    836,280.55x = 1,248,101.02 × 755,568.10
  4. Step 4: Simplify right side
    836,280.55x = 943,025,316,289.46
  5. Step 5: Solve for x
    x = 943,025,316,289.46/836,280.55
  6. Step 6: Final answer
    x = 1,127,642.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.