Home / 1,005,207.69-1,505,646.30-471,929.61

Finding the Fourth Proportional to 1,005,207.69, 1,505,646.30 and 471,929.61

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Solution

The fourth proportional to 1,005,207.69, 1,505,646.30 and 471,929.61 is: 706,877.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,207.69 : 1,505,646.30 = 471,929.61 : x
  2. Step 2: Convert to fraction form
    1,005,207.69/1,505,646.30 = 471,929.61/x
  3. Step 3: Cross multiply
    1,005,207.69x = 1,505,646.30 × 471,929.61
  4. Step 4: Simplify right side
    1,005,207.69x = 710,559,071,156.94
  5. Step 5: Solve for x
    x = 710,559,071,156.94/1,005,207.69
  6. Step 6: Final answer
    x = 706,877.87

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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.