Home / 1,028,671.20-1,543,253.16-429,298.95

Finding the Fourth Proportional to 1,028,671.20, 1,543,253.16 and 429,298.95

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Solution

The fourth proportional to 1,028,671.20, 1,543,253.16 and 429,298.95 is: 644,051.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,028,671.20 : 1,543,253.16 = 429,298.95 : x
  2. Step 2: Convert to fraction form
    1,028,671.20/1,543,253.16 = 429,298.95/x
  3. Step 3: Cross multiply
    1,028,671.20x = 1,543,253.16 × 429,298.95
  4. Step 4: Simplify right side
    1,028,671.20x = 662,516,961,172.18
  5. Step 5: Solve for x
    x = 662,516,961,172.18/1,028,671.20
  6. Step 6: Final answer
    x = 644,051.24

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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.