Home / 1,012,475.35-1,397,216.75-553,582.61

Finding the Fourth Proportional to 1,012,475.35, 1,397,216.75 and 553,582.61

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Solution

The fourth proportional to 1,012,475.35, 1,397,216.75 and 553,582.61 is: 763,944.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,012,475.35 : 1,397,216.75 = 553,582.61 : x
  2. Step 2: Convert to fraction form
    1,012,475.35/1,397,216.75 = 553,582.61/x
  3. Step 3: Cross multiply
    1,012,475.35x = 1,397,216.75 × 553,582.61
  4. Step 4: Simplify right side
    1,012,475.35x = 773,474,885,446.72
  5. Step 5: Solve for x
    x = 773,474,885,446.72/1,012,475.35
  6. Step 6: Final answer
    x = 763,944.41

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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.