Home / 1,001,618.19-1,382,218.88-542,722.03

Finding the Fourth Proportional to 1,001,618.19, 1,382,218.88 and 542,722.03

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Solution

The fourth proportional to 1,001,618.19, 1,382,218.88 and 542,722.03 is: 748,948.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,001,618.19 : 1,382,218.88 = 542,722.03 : x
  2. Step 2: Convert to fraction form
    1,001,618.19/1,382,218.88 = 542,722.03/x
  3. Step 3: Cross multiply
    1,001,618.19x = 1,382,218.88 × 542,722.03
  4. Step 4: Simplify right side
    1,001,618.19x = 750,160,630,288.77
  5. Step 5: Solve for x
    x = 750,160,630,288.77/1,001,618.19
  6. Step 6: Final answer
    x = 748,948.69

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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.