Home / 1,110,384.56-1,534,913.16-990,711.92

Finding the Fourth Proportional to 1,110,384.56, 1,534,913.16 and 990,711.92

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Solution

The fourth proportional to 1,110,384.56, 1,534,913.16 and 990,711.92 is: 1,369,486.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,110,384.56 : 1,534,913.16 = 990,711.92 : x
  2. Step 2: Convert to fraction form
    1,110,384.56/1,534,913.16 = 990,711.92/x
  3. Step 3: Cross multiply
    1,110,384.56x = 1,534,913.16 × 990,711.92
  4. Step 4: Simplify right side
    1,110,384.56x = 1,520,656,763,776.87
  5. Step 5: Solve for x
    x = 1,520,656,763,776.87/1,110,384.56
  6. Step 6: Final answer
    x = 1,369,486.59

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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.