Home / 1,150,122.18-1,587,175.12-666,974.19

Finding the Fourth Proportional to 1,150,122.18, 1,587,175.12 and 666,974.19

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Solution

The fourth proportional to 1,150,122.18, 1,587,175.12 and 666,974.19 is: 920,428.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,150,122.18 : 1,587,175.12 = 666,974.19 : x
  2. Step 2: Convert to fraction form
    1,150,122.18/1,587,175.12 = 666,974.19/x
  3. Step 3: Cross multiply
    1,150,122.18x = 1,587,175.12 × 666,974.19
  4. Step 4: Simplify right side
    1,150,122.18x = 1,058,604,840,050.15
  5. Step 5: Solve for x
    x = 1,058,604,840,050.15/1,150,122.18
  6. Step 6: Final answer
    x = 920,428.16

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1.5x scale

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.