Home / 1,006,981.80-1,510,472.70-707,800.20

Finding the Fourth Proportional to 1,006,981.80, 1,510,472.70 and 707,800.20

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Solution

The fourth proportional to 1,006,981.80, 1,510,472.70 and 707,800.20 is: 1,061,700.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,006,981.80 : 1,510,472.70 = 707,800.20 : x
  2. Step 2: Convert to fraction form
    1,006,981.80/1,510,472.70 = 707,800.20/x
  3. Step 3: Cross multiply
    1,006,981.80x = 1,510,472.70 × 707,800.20
  4. Step 4: Simplify right side
    1,006,981.80x = 1,069,112,879,154.54
  5. Step 5: Solve for x
    x = 1,069,112,879,154.54/1,006,981.80
  6. Step 6: Final answer
    x = 1,061,700.30

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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.