Home / 1,006,918.83-1,510,382.30-407,891.43

Finding the Fourth Proportional to 1,006,918.83, 1,510,382.30 and 407,891.43

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Solution

The fourth proportional to 1,006,918.83, 1,510,382.30 and 407,891.43 is: 611,838.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,006,918.83 : 1,510,382.30 = 407,891.43 : x
  2. Step 2: Convert to fraction form
    1,006,918.83/1,510,382.30 = 407,891.43/x
  3. Step 3: Cross multiply
    1,006,918.83x = 1,510,382.30 × 407,891.43
  4. Step 4: Simplify right side
    1,006,918.83x = 616,071,994,154.23
  5. Step 5: Solve for x
    x = 616,071,994,154.23/1,006,918.83
  6. Step 6: Final answer
    x = 611,838.79

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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.