Home / 1,341,392.13-2,012,089.52-542,680.47

Finding the Fourth Proportional to 1,341,392.13, 2,012,089.52 and 542,680.47

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Solution

The fourth proportional to 1,341,392.13, 2,012,089.52 and 542,680.47 is: 814,021.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,341,392.13 : 2,012,089.52 = 542,680.47 : x
  2. Step 2: Convert to fraction form
    1,341,392.13/2,012,089.52 = 542,680.47/x
  3. Step 3: Cross multiply
    1,341,392.13x = 2,012,089.52 × 542,680.47
  4. Step 4: Simplify right side
    1,341,392.13x = 1,091,921,683,682.27
  5. Step 5: Solve for x
    x = 1,091,921,683,682.27/1,341,392.13
  6. Step 6: Final answer
    x = 814,021.24

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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.