Home / 1,385,320.77-1,911,723.98-773,482.95

Finding the Fourth Proportional to 1,385,320.77, 1,911,723.98 and 773,482.95

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Solution

The fourth proportional to 1,385,320.77, 1,911,723.98 and 773,482.95 is: 1,067,396.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,385,320.77 : 1,911,723.98 = 773,482.95 : x
  2. Step 2: Convert to fraction form
    1,385,320.77/1,911,723.98 = 773,482.95/x
  3. Step 3: Cross multiply
    1,385,320.77x = 1,911,723.98 × 773,482.95
  4. Step 4: Simplify right side
    1,385,320.77x = 1,478,685,899,768.73
  5. Step 5: Solve for x
    x = 1,478,685,899,768.73/1,385,320.77
  6. Step 6: Final answer
    x = 1,067,396.04

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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.