Home / 1,451,238.95-2,176,858.81-426,569.39

Finding the Fourth Proportional to 1,451,238.95, 2,176,858.81 and 426,569.39

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Solution

The fourth proportional to 1,451,238.95, 2,176,858.81 and 426,569.39 is: 639,854.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,451,238.95 : 2,176,858.81 = 426,569.39 : x
  2. Step 2: Convert to fraction form
    1,451,238.95/2,176,858.81 = 426,569.39/x
  3. Step 3: Cross multiply
    1,451,238.95x = 2,176,858.81 × 426,569.39
  4. Step 4: Simplify right side
    1,451,238.95x = 928,581,334,697.83
  5. Step 5: Solve for x
    x = 928,581,334,697.83/1,451,238.95
  6. Step 6: Final answer
    x = 639,854.20

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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.