Home / 1,125,090.48-1,552,565.20-615,694.40

Finding the Fourth Proportional to 1,125,090.48, 1,552,565.20 and 615,694.40

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Solution

The fourth proportional to 1,125,090.48, 1,552,565.20 and 615,694.40 is: 849,625.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,125,090.48 : 1,552,565.20 = 615,694.40 : x
  2. Step 2: Convert to fraction form
    1,125,090.48/1,552,565.20 = 615,694.40/x
  3. Step 3: Cross multiply
    1,125,090.48x = 1,552,565.20 × 615,694.40
  4. Step 4: Simplify right side
    1,125,090.48x = 955,905,699,274.88
  5. Step 5: Solve for x
    x = 955,905,699,274.88/1,125,090.48
  6. Step 6: Final answer
    x = 849,625.62

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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.