Home / 1,918,930.64-2,648,165.60-1,059,545.24

Finding the Fourth Proportional to 1,918,930.64, 2,648,165.60 and 1,059,545.24

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Solution

The fourth proportional to 1,918,930.64, 2,648,165.60 and 1,059,545.24 is: 1,462,195.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,918,930.64 : 2,648,165.60 = 1,059,545.24 : x
  2. Step 2: Convert to fraction form
    1,918,930.64/2,648,165.60 = 1,059,545.24/x
  3. Step 3: Cross multiply
    1,918,930.64x = 2,648,165.60 × 1,059,545.24
  4. Step 4: Simplify right side
    1,918,930.64x = 2,805,851,256,211.74
  5. Step 5: Solve for x
    x = 2,805,851,256,211.74/1,918,930.64
  6. Step 6: Final answer
    x = 1,462,195.24

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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.