Home / 1,240,452.78-1,860,343.13-341,680.76

Finding the Fourth Proportional to 1,240,452.78, 1,860,343.13 and 341,680.76

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Solution

The fourth proportional to 1,240,452.78, 1,860,343.13 and 341,680.76 is: 512,428.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,240,452.78 : 1,860,343.13 = 341,680.76 : x
  2. Step 2: Convert to fraction form
    1,240,452.78/1,860,343.13 = 341,680.76/x
  3. Step 3: Cross multiply
    1,240,452.78x = 1,860,343.13 × 341,680.76
  4. Step 4: Simplify right side
    1,240,452.78x = 635,643,460,024.24
  5. Step 5: Solve for x
    x = 635,643,460,024.24/1,240,452.78
  6. Step 6: Final answer
    x = 512,428.58

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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.