Home / 1,416,952.72-1,955,355.80-772,385.52

Finding the Fourth Proportional to 1,416,952.72, 1,955,355.80 and 772,385.52

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Solution

The fourth proportional to 1,416,952.72, 1,955,355.80 and 772,385.52 is: 1,065,870.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,416,952.72 : 1,955,355.80 = 772,385.52 : x
  2. Step 2: Convert to fraction form
    1,416,952.72/1,955,355.80 = 772,385.52/x
  3. Step 3: Cross multiply
    1,416,952.72x = 1,955,355.80 × 772,385.52
  4. Step 4: Simplify right side
    1,416,952.72x = 1,510,288,506,368.02
  5. Step 5: Solve for x
    x = 1,510,288,506,368.02/1,416,952.72
  6. Step 6: Final answer
    x = 1,065,870.78

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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.