Home / 1,053,386.20-1,580,079.30-632,445.40

Finding the Fourth Proportional to 1,053,386.20, 1,580,079.30 and 632,445.40

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Solution

The fourth proportional to 1,053,386.20, 1,580,079.30 and 632,445.40 is: 948,668.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,053,386.20 : 1,580,079.30 = 632,445.40 : x
  2. Step 2: Convert to fraction form
    1,053,386.20/1,580,079.30 = 632,445.40/x
  3. Step 3: Cross multiply
    1,053,386.20x = 1,580,079.30 × 632,445.40
  4. Step 4: Simplify right side
    1,053,386.20x = 999,313,884,920.22
  5. Step 5: Solve for x
    x = 999,313,884,920.22/1,053,386.20
  6. Step 6: Final answer
    x = 948,668.10

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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.