Home / 1,539,868.80-2,124,280.80-996,175.20

Finding the Fourth Proportional to 1,539,868.80, 2,124,280.80 and 996,175.20

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Solution

The fourth proportional to 1,539,868.80, 2,124,280.80 and 996,175.20 is: 1,374,244.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,539,868.80 : 2,124,280.80 = 996,175.20 : x
  2. Step 2: Convert to fraction form
    1,539,868.80/2,124,280.80 = 996,175.20/x
  3. Step 3: Cross multiply
    1,539,868.80x = 2,124,280.80 × 996,175.20
  4. Step 4: Simplify right side
    1,539,868.80x = 2,116,155,850,796.16
  5. Step 5: Solve for x
    x = 2,116,155,850,796.16/1,539,868.80
  6. Step 6: Final answer
    x = 1,374,244.25

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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.