Home / 1,492,053.05-2,238,741.12-781,912.28

Finding the Fourth Proportional to 1,492,053.05, 2,238,741.12 and 781,912.28

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Solution

The fourth proportional to 1,492,053.05, 2,238,741.12 and 781,912.28 is: 1,173,215.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,492,053.05 : 2,238,741.12 = 781,912.28 : x
  2. Step 2: Convert to fraction form
    1,492,053.05/2,238,741.12 = 781,912.28/x
  3. Step 3: Cross multiply
    1,492,053.05x = 2,238,741.12 × 781,912.28
  4. Step 4: Simplify right side
    1,492,053.05x = 1,750,499,173,468.95
  5. Step 5: Solve for x
    x = 1,750,499,173,468.95/1,492,053.05
  6. Step 6: Final answer
    x = 1,173,215.10

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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.