Home / 1,280,227.30-1,766,700.36-707,230.06

Finding the Fourth Proportional to 1,280,227.30, 1,766,700.36 and 707,230.06

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Solution

The fourth proportional to 1,280,227.30, 1,766,700.36 and 707,230.06 is: 975,970.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,280,227.30 : 1,766,700.36 = 707,230.06 : x
  2. Step 2: Convert to fraction form
    1,280,227.30/1,766,700.36 = 707,230.06/x
  3. Step 3: Cross multiply
    1,280,227.30x = 1,766,700.36 × 707,230.06
  4. Step 4: Simplify right side
    1,280,227.30x = 1,249,463,601,604.82
  5. Step 5: Solve for x
    x = 1,249,463,601,604.82/1,280,227.30
  6. Step 6: Final answer
    x = 975,970.13

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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.