Home / 846,176.40-1,269,264.60-787,127.40

Finding the Fourth Proportional to 846,176.40, 1,269,264.60 and 787,127.40

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Solution

The fourth proportional to 846,176.40, 1,269,264.60 and 787,127.40 is: 1,180,691.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    846,176.40 : 1,269,264.60 = 787,127.40 : x
  2. Step 2: Convert to fraction form
    846,176.40/1,269,264.60 = 787,127.40/x
  3. Step 3: Cross multiply
    846,176.40x = 1,269,264.60 × 787,127.40
  4. Step 4: Simplify right side
    846,176.40x = 999,072,944,510.04
  5. Step 5: Solve for x
    x = 999,072,944,510.04/846,176.40
  6. Step 6: Final answer
    x = 1,180,691.10

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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.