Home / 1,225,054.56-1,690,326.30-715,658.52

Finding the Fourth Proportional to 1,225,054.56, 1,690,326.30 and 715,658.52

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Solution

The fourth proportional to 1,225,054.56, 1,690,326.30 and 715,658.52 is: 987,463.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,225,054.56 : 1,690,326.30 = 715,658.52 : x
  2. Step 2: Convert to fraction form
    1,225,054.56/1,690,326.30 = 715,658.52/x
  3. Step 3: Cross multiply
    1,225,054.56x = 1,690,326.30 × 715,658.52
  4. Step 4: Simplify right side
    1,225,054.56x = 1,209,696,418,175.08
  5. Step 5: Solve for x
    x = 1,209,696,418,175.08/1,225,054.56
  6. Step 6: Final answer
    x = 987,463.30

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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.