Home / 1,006,814.80-1,389,436.68-577,176.40

Finding the Fourth Proportional to 1,006,814.80, 1,389,436.68 and 577,176.40

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Solution

The fourth proportional to 1,006,814.80, 1,389,436.68 and 577,176.40 is: 796,521.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,006,814.80 : 1,389,436.68 = 577,176.40 : x
  2. Step 2: Convert to fraction form
    1,006,814.80/1,389,436.68 = 577,176.40/x
  3. Step 3: Cross multiply
    1,006,814.80x = 1,389,436.68 × 577,176.40
  4. Step 4: Simplify right side
    1,006,814.80x = 801,950,060,990.35
  5. Step 5: Solve for x
    x = 801,950,060,990.35/1,006,814.80
  6. Step 6: Final answer
    x = 796,521.92

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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.