Home / 1,006,815.80-1,389,438.06-577,177.40

Finding the Fourth Proportional to 1,006,815.80, 1,389,438.06 and 577,177.40

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Solution

The fourth proportional to 1,006,815.80, 1,389,438.06 and 577,177.40 is: 796,523.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,006,815.80 : 1,389,438.06 = 577,177.40 : x
  2. Step 2: Convert to fraction form
    1,006,815.80/1,389,438.06 = 577,177.40/x
  3. Step 3: Cross multiply
    1,006,815.80x = 1,389,438.06 × 577,177.40
  4. Step 4: Simplify right side
    1,006,815.80x = 801,952,246,931.84
  5. Step 5: Solve for x
    x = 801,952,246,931.84/1,006,815.80
  6. Step 6: Final answer
    x = 796,523.30

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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.