Home / 1,425,921.16-2,138,883.18-360,963.16

Finding the Fourth Proportional to 1,425,921.16, 2,138,883.18 and 360,963.16

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Solution

The fourth proportional to 1,425,921.16, 2,138,883.18 and 360,963.16 is: 541,445.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,425,921.16 : 2,138,883.18 = 360,963.16 : x
  2. Step 2: Convert to fraction form
    1,425,921.16/2,138,883.18 = 360,963.16/x
  3. Step 3: Cross multiply
    1,425,921.16x = 2,138,883.18 × 360,963.16
  4. Step 4: Simplify right side
    1,425,921.16x = 772,058,031,523.65
  5. Step 5: Solve for x
    x = 772,058,031,523.65/1,425,921.16
  6. Step 6: Final answer
    x = 541,445.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.