Home / 1,490,099.28-2,056,381.02-1,055,294.52

Finding the Fourth Proportional to 1,490,099.28, 2,056,381.02 and 1,055,294.52

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Solution

The fourth proportional to 1,490,099.28, 2,056,381.02 and 1,055,294.52 is: 1,456,337.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,490,099.28 : 2,056,381.02 = 1,055,294.52 : x
  2. Step 2: Convert to fraction form
    1,490,099.28/2,056,381.02 = 1,055,294.52/x
  3. Step 3: Cross multiply
    1,490,099.28x = 2,056,381.02 × 1,055,294.52
  4. Step 4: Simplify right side
    1,490,099.28x = 2,170,087,621,438.01
  5. Step 5: Solve for x
    x = 2,170,087,621,438.01/1,490,099.28
  6. Step 6: Final answer
    x = 1,456,337.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.