Home / 1,566,258.10-2,349,387.15-1,087,961.20

Finding the Fourth Proportional to 1,566,258.10, 2,349,387.15 and 1,087,961.20

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Solution

The fourth proportional to 1,566,258.10, 2,349,387.15 and 1,087,961.20 is: 1,631,941.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,566,258.10 : 2,349,387.15 = 1,087,961.20 : x
  2. Step 2: Convert to fraction form
    1,566,258.10/2,349,387.15 = 1,087,961.20/x
  3. Step 3: Cross multiply
    1,566,258.10x = 2,349,387.15 × 1,087,961.20
  4. Step 4: Simplify right side
    1,566,258.10x = 2,556,042,062,978.58
  5. Step 5: Solve for x
    x = 2,556,042,062,978.58/1,566,258.10
  6. Step 6: Final answer
    x = 1,631,941.80

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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.