Home / 1,320,532.32-1,979,486.24-787,254.24

Finding the Fourth Proportional to 1,320,532.32, 1,979,486.24 and 787,254.24

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Solution

The fourth proportional to 1,320,532.32, 1,979,486.24 and 787,254.24 is: 1,180,099.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,320,532.32 : 1,979,486.24 = 787,254.24 : x
  2. Step 2: Convert to fraction form
    1,320,532.32/1,979,486.24 = 787,254.24/x
  3. Step 3: Cross multiply
    1,320,532.32x = 1,979,486.24 × 787,254.24
  4. Step 4: Simplify right side
    1,320,532.32x = 1,558,358,935,461.66
  5. Step 5: Solve for x
    x = 1,558,358,935,461.66/1,320,532.32
  6. Step 6: Final answer
    x = 1,180,099.05

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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.