Home / 1,043,958.30-1,565,937.45-778,237.80

Finding the Fourth Proportional to 1,043,958.30, 1,565,937.45 and 778,237.80

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Solution

The fourth proportional to 1,043,958.30, 1,565,937.45 and 778,237.80 is: 1,167,356.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,043,958.30 : 1,565,937.45 = 778,237.80 : x
  2. Step 2: Convert to fraction form
    1,043,958.30/1,565,937.45 = 778,237.80/x
  3. Step 3: Cross multiply
    1,043,958.30x = 1,565,937.45 × 778,237.80
  4. Step 4: Simplify right side
    1,043,958.30x = 1,218,671,716,025.61
  5. Step 5: Solve for x
    x = 1,218,671,716,025.61/1,043,958.30
  6. Step 6: Final answer
    x = 1,167,356.70

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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.