Home / 1,120,176.95-1,545,964.08-684,849.74

Finding the Fourth Proportional to 1,120,176.95, 1,545,964.08 and 684,849.74

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Solution

The fourth proportional to 1,120,176.95, 1,545,964.08 and 684,849.74 is: 945,165.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,120,176.95 : 1,545,964.08 = 684,849.74 : x
  2. Step 2: Convert to fraction form
    1,120,176.95/1,545,964.08 = 684,849.74/x
  3. Step 3: Cross multiply
    1,120,176.95x = 1,545,964.08 × 684,849.74
  4. Step 4: Simplify right side
    1,120,176.95x = 1,058,753,087,939.33
  5. Step 5: Solve for x
    x = 1,058,753,087,939.33/1,120,176.95
  6. Step 6: Final answer
    x = 945,165.93

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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.