Home / 1,443,612.60-2,165,418.90-876,742.20

Finding the Fourth Proportional to 1,443,612.60, 2,165,418.90 and 876,742.20

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Solution

The fourth proportional to 1,443,612.60, 2,165,418.90 and 876,742.20 is: 1,315,113.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,443,612.60 : 2,165,418.90 = 876,742.20 : x
  2. Step 2: Convert to fraction form
    1,443,612.60/2,165,418.90 = 876,742.20/x
  3. Step 3: Cross multiply
    1,443,612.60x = 2,165,418.90 × 876,742.20
  4. Step 4: Simplify right side
    1,443,612.60x = 1,898,514,130,307.58
  5. Step 5: Solve for x
    x = 1,898,514,130,307.58/1,443,612.60
  6. Step 6: Final answer
    x = 1,315,113.30

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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.