Home / 1,555,881.40-2,334,150.15-491,031.10

Finding the Fourth Proportional to 1,555,881.40, 2,334,150.15 and 491,031.10

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Solution

The fourth proportional to 1,555,881.40, 2,334,150.15 and 491,031.10 is: 736,650.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,555,881.40 : 2,334,150.15 = 491,031.10 : x
  2. Step 2: Convert to fraction form
    1,555,881.40/2,334,150.15 = 491,031.10/x
  3. Step 3: Cross multiply
    1,555,881.40x = 2,334,150.15 × 491,031.10
  4. Step 4: Simplify right side
    1,555,881.40x = 1,146,140,315,719.66
  5. Step 5: Solve for x
    x = 1,146,140,315,719.66/1,555,881.40
  6. Step 6: Final answer
    x = 736,650.18

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Double scale
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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.