Home / 1,005,707.52-1,507,564.80-472,273.68

Finding the Fourth Proportional to 1,005,707.52, 1,507,564.80 and 472,273.68

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Solution

The fourth proportional to 1,005,707.52, 1,507,564.80 and 472,273.68 is: 707,942.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,707.52 : 1,507,564.80 = 472,273.68 : x
  2. Step 2: Convert to fraction form
    1,005,707.52/1,507,564.80 = 472,273.68/x
  3. Step 3: Cross multiply
    1,005,707.52x = 1,507,564.80 × 472,273.68
  4. Step 4: Simplify right side
    1,005,707.52x = 711,983,175,934.46
  5. Step 5: Solve for x
    x = 711,983,175,934.46/1,005,707.52
  6. Step 6: Final answer
    x = 707,942.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.