Home / 1,005,155.19-1,387,118.66-552,475.35

Finding the Fourth Proportional to 1,005,155.19, 1,387,118.66 and 552,475.35

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Solution

The fourth proportional to 1,005,155.19, 1,387,118.66 and 552,475.35 is: 762,418.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,155.19 : 1,387,118.66 = 552,475.35 : x
  2. Step 2: Convert to fraction form
    1,005,155.19/1,387,118.66 = 552,475.35/x
  3. Step 3: Cross multiply
    1,005,155.19x = 1,387,118.66 × 552,475.35
  4. Step 4: Simplify right side
    1,005,155.19x = 766,348,864,412.65
  5. Step 5: Solve for x
    x = 766,348,864,412.65/1,005,155.19
  6. Step 6: Final answer
    x = 762,418.45

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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.