Home / 1,023,372.84-1,412,255.88-564,477.12

Finding the Fourth Proportional to 1,023,372.84, 1,412,255.88 and 564,477.12

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Solution

The fourth proportional to 1,023,372.84, 1,412,255.88 and 564,477.12 is: 778,979.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,023,372.84 : 1,412,255.88 = 564,477.12 : x
  2. Step 2: Convert to fraction form
    1,023,372.84/1,412,255.88 = 564,477.12/x
  3. Step 3: Cross multiply
    1,023,372.84x = 1,412,255.88 × 564,477.12
  4. Step 4: Simplify right side
    1,023,372.84x = 797,186,131,845.47
  5. Step 5: Solve for x
    x = 797,186,131,845.47/1,023,372.84
  6. Step 6: Final answer
    x = 778,979.18

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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.