Home / 1,051,921.30-1,577,881.95-715,998.10

Finding the Fourth Proportional to 1,051,921.30, 1,577,881.95 and 715,998.10

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Solution

The fourth proportional to 1,051,921.30, 1,577,881.95 and 715,998.10 is: 1,073,997.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,051,921.30 : 1,577,881.95 = 715,998.10 : x
  2. Step 2: Convert to fraction form
    1,051,921.30/1,577,881.95 = 715,998.10/x
  3. Step 3: Cross multiply
    1,051,921.30x = 1,577,881.95 × 715,998.10
  4. Step 4: Simplify right side
    1,051,921.30x = 1,129,760,478,224.30
  5. Step 5: Solve for x
    x = 1,129,760,478,224.30/1,051,921.30
  6. Step 6: Final answer
    x = 1,073,997.15

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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.