Home / 1,408,010.60-2,112,015.90-343,044.20

Finding the Fourth Proportional to 1,408,010.60, 2,112,015.90 and 343,044.20

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Solution

The fourth proportional to 1,408,010.60, 2,112,015.90 and 343,044.20 is: 514,566.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,408,010.60 : 2,112,015.90 = 343,044.20 : x
  2. Step 2: Convert to fraction form
    1,408,010.60/2,112,015.90 = 343,044.20/x
  3. Step 3: Cross multiply
    1,408,010.60x = 2,112,015.90 × 343,044.20
  4. Step 4: Simplify right side
    1,408,010.60x = 724,514,804,802.78
  5. Step 5: Solve for x
    x = 724,514,804,802.78/1,408,010.60
  6. Step 6: Final answer
    x = 514,566.30

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Similar ratio
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1.5x scale

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.