Home / 1,021,058.64-1,531,816.38-311,142.24

Finding the Fourth Proportional to 1,021,058.64, 1,531,816.38 and 311,142.24

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Solution

The fourth proportional to 1,021,058.64, 1,531,816.38 and 311,142.24 is: 466,782.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,021,058.64 : 1,531,816.38 = 311,142.24 : x
  2. Step 2: Convert to fraction form
    1,021,058.64/1,531,816.38 = 311,142.24/x
  3. Step 3: Cross multiply
    1,021,058.64x = 1,531,816.38 × 311,142.24
  4. Step 4: Simplify right side
    1,021,058.64x = 476,612,779,741.89
  5. Step 5: Solve for x
    x = 476,612,779,741.89/1,021,058.64
  6. Step 6: Final answer
    x = 466,782.97

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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.