Home / 1,407,202.61-1,942,148.03-891,004.48

Finding the Fourth Proportional to 1,407,202.61, 1,942,148.03 and 891,004.48

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Solution

The fourth proportional to 1,407,202.61, 1,942,148.03 and 891,004.48 is: 1,229,718.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,407,202.61 : 1,942,148.03 = 891,004.48 : x
  2. Step 2: Convert to fraction form
    1,407,202.61/1,942,148.03 = 891,004.48/x
  3. Step 3: Cross multiply
    1,407,202.61x = 1,942,148.03 × 891,004.48
  4. Step 4: Simplify right side
    1,407,202.61x = 1,730,462,586,242.78
  5. Step 5: Solve for x
    x = 1,730,462,586,242.78/1,407,202.61
  6. Step 6: Final answer
    x = 1,229,718.15

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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.