Home / 1,436,508.19-2,155,397.02-753,231.88

Finding the Fourth Proportional to 1,436,508.19, 2,155,397.02 and 753,231.88

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Solution

The fourth proportional to 1,436,508.19, 2,155,397.02 and 753,231.88 is: 1,130,180.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,436,508.19 : 2,155,397.02 = 753,231.88 : x
  2. Step 2: Convert to fraction form
    1,436,508.19/2,155,397.02 = 753,231.88/x
  3. Step 3: Cross multiply
    1,436,508.19x = 2,155,397.02 × 753,231.88
  4. Step 4: Simplify right side
    1,436,508.19x = 1,623,513,749,521.00
  5. Step 5: Solve for x
    x = 1,623,513,749,521.00/1,436,508.19
  6. Step 6: Final answer
    x = 1,130,180.64

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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.