Home / 1,643,126.79-2,464,691.22-1,074,985.20

Finding the Fourth Proportional to 1,643,126.79, 2,464,691.22 and 1,074,985.20

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Solution

The fourth proportional to 1,643,126.79, 2,464,691.22 and 1,074,985.20 is: 1,612,478.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,643,126.79 : 2,464,691.22 = 1,074,985.20 : x
  2. Step 2: Convert to fraction form
    1,643,126.79/2,464,691.22 = 1,074,985.20/x
  3. Step 3: Cross multiply
    1,643,126.79x = 2,464,691.22 × 1,074,985.20
  4. Step 4: Simplify right side
    1,643,126.79x = 2,649,506,584,069.94
  5. Step 5: Solve for x
    x = 2,649,506,584,069.94/1,643,126.79
  6. Step 6: Final answer
    x = 1,612,478.48

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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.