Home / 977,744.91-1,468,862.81-690,217.71

Finding the Fourth Proportional to 977,744.91, 1,468,862.81 and 690,217.71

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Solution

The fourth proportional to 977,744.91, 1,468,862.81 and 690,217.71 is: 1,036,911.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,744.91 : 1,468,862.81 = 690,217.71 : x
  2. Step 2: Convert to fraction form
    977,744.91/1,468,862.81 = 690,217.71/x
  3. Step 3: Cross multiply
    977,744.91x = 1,468,862.81 × 690,217.71
  4. Step 4: Simplify right side
    977,744.91x = 1,013,835,121,571.28
  5. Step 5: Solve for x
    x = 1,013,835,121,571.28/977,744.91
  6. Step 6: Final answer
    x = 1,036,911.68

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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.