Home / 1,465,426.91-2,021,545.10-999,931.66

Finding the Fourth Proportional to 1,465,426.91, 2,021,545.10 and 999,931.66

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Solution

The fourth proportional to 1,465,426.91, 2,021,545.10 and 999,931.66 is: 1,379,398.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,465,426.91 : 2,021,545.10 = 999,931.66 : x
  2. Step 2: Convert to fraction form
    1,465,426.91/2,021,545.10 = 999,931.66/x
  3. Step 3: Cross multiply
    1,465,426.91x = 2,021,545.10 × 999,931.66
  4. Step 4: Simplify right side
    1,465,426.91x = 2,021,406,945,053.83
  5. Step 5: Solve for x
    x = 2,021,406,945,053.83/1,465,426.91
  6. Step 6: Final answer
    x = 1,379,398.00

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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.