Home / 1,038,614.81-1,558,001.01-280,445.24

Finding the Fourth Proportional to 1,038,614.81, 1,558,001.01 and 280,445.24

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Solution

The fourth proportional to 1,038,614.81, 1,558,001.01 and 280,445.24 is: 420,689.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,614.81 : 1,558,001.01 = 280,445.24 : x
  2. Step 2: Convert to fraction form
    1,038,614.81/1,558,001.01 = 280,445.24/x
  3. Step 3: Cross multiply
    1,038,614.81x = 1,558,001.01 × 280,445.24
  4. Step 4: Simplify right side
    1,038,614.81x = 436,933,958,328.02
  5. Step 5: Solve for x
    x = 436,933,958,328.02/1,038,614.81
  6. Step 6: Final answer
    x = 420,689.13

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1.5x scale

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.