Home / 1,225,760.76-1,838,635.02-314,942.40

Finding the Fourth Proportional to 1,225,760.76, 1,838,635.02 and 314,942.40

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Solution

The fourth proportional to 1,225,760.76, 1,838,635.02 and 314,942.40 is: 472,412.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,225,760.76 : 1,838,635.02 = 314,942.40 : x
  2. Step 2: Convert to fraction form
    1,225,760.76/1,838,635.02 = 314,942.40/x
  3. Step 3: Cross multiply
    1,225,760.76x = 1,838,635.02 × 314,942.40
  4. Step 4: Simplify right side
    1,225,760.76x = 579,064,125,922.85
  5. Step 5: Solve for x
    x = 579,064,125,922.85/1,225,760.76
  6. Step 6: Final answer
    x = 472,412.03

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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.