Home / 1,186,139.59-1,636,874.86-662,850.20

Finding the Fourth Proportional to 1,186,139.59, 1,636,874.86 and 662,850.20

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Solution

The fourth proportional to 1,186,139.59, 1,636,874.86 and 662,850.20 is: 914,734.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,186,139.59 : 1,636,874.86 = 662,850.20 : x
  2. Step 2: Convert to fraction form
    1,186,139.59/1,636,874.86 = 662,850.20/x
  3. Step 3: Cross multiply
    1,186,139.59x = 1,636,874.86 × 662,850.20
  4. Step 4: Simplify right side
    1,186,139.59x = 1,085,002,828,325.97
  5. Step 5: Solve for x
    x = 1,085,002,828,325.97/1,186,139.59
  6. Step 6: Final answer
    x = 914,734.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.