Home / 1,575,385.20-2,359,967.40-942,418.80

Finding the Fourth Proportional to 1,575,385.20, 2,359,967.40 and 942,418.80

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Solution

The fourth proportional to 1,575,385.20, 2,359,967.40 and 942,418.80 is: 1,411,767.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,575,385.20 : 2,359,967.40 = 942,418.80 : x
  2. Step 2: Convert to fraction form
    1,575,385.20/2,359,967.40 = 942,418.80/x
  3. Step 3: Cross multiply
    1,575,385.20x = 2,359,967.40 × 942,418.80
  4. Step 4: Simplify right side
    1,575,385.20x = 2,224,077,645,147.12
  5. Step 5: Solve for x
    x = 2,224,077,645,147.12/1,575,385.20
  6. Step 6: Final answer
    x = 1,411,767.51

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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.