Home / 1,170,437.95-1,755,656.93-328,989.70

Finding the Fourth Proportional to 1,170,437.95, 1,755,656.93 and 328,989.70

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Solution

The fourth proportional to 1,170,437.95, 1,755,656.93 and 328,989.70 is: 493,484.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,170,437.95 : 1,755,656.93 = 328,989.70 : x
  2. Step 2: Convert to fraction form
    1,170,437.95/1,755,656.93 = 328,989.70/x
  3. Step 3: Cross multiply
    1,170,437.95x = 1,755,656.93 × 328,989.70
  4. Step 4: Simplify right side
    1,170,437.95x = 577,593,046,703.62
  5. Step 5: Solve for x
    x = 577,593,046,703.62/1,170,437.95
  6. Step 6: Final answer
    x = 493,484.55

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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.