Home / 1,375,483.20-1,898,129.84-824,510.13

Finding the Fourth Proportional to 1,375,483.20, 1,898,129.84 and 824,510.13

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Solution

The fourth proportional to 1,375,483.20, 1,898,129.84 and 824,510.13 is: 1,137,801.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,375,483.20 : 1,898,129.84 = 824,510.13 : x
  2. Step 2: Convert to fraction form
    1,375,483.20/1,898,129.84 = 824,510.13/x
  3. Step 3: Cross multiply
    1,375,483.20x = 1,898,129.84 × 824,510.13
  4. Step 4: Simplify right side
    1,375,483.20x = 1,565,027,277,012.73
  5. Step 5: Solve for x
    x = 1,565,027,277,012.73/1,375,483.20
  6. Step 6: Final answer
    x = 1,137,801.81

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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.