Home / 1,146,152.70-1,720,006.65-745,818.30

Finding the Fourth Proportional to 1,146,152.70, 1,720,006.65 and 745,818.30

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Solution

The fourth proportional to 1,146,152.70, 1,720,006.65 and 745,818.30 is: 1,119,233.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,146,152.70 : 1,720,006.65 = 745,818.30 : x
  2. Step 2: Convert to fraction form
    1,146,152.70/1,720,006.65 = 745,818.30/x
  3. Step 3: Cross multiply
    1,146,152.70x = 1,720,006.65 × 745,818.30
  4. Step 4: Simplify right side
    1,146,152.70x = 1,282,812,435,691.70
  5. Step 5: Solve for x
    x = 1,282,812,435,691.70/1,146,152.70
  6. Step 6: Final answer
    x = 1,119,233.45

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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.