Home / 1,788,407.40-2,468,031.21-972,627.24

Finding the Fourth Proportional to 1,788,407.40, 2,468,031.21 and 972,627.24

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Solution

The fourth proportional to 1,788,407.40, 2,468,031.21 and 972,627.24 is: 1,342,241.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,788,407.40 : 2,468,031.21 = 972,627.24 : x
  2. Step 2: Convert to fraction form
    1,788,407.40/2,468,031.21 = 972,627.24/x
  3. Step 3: Cross multiply
    1,788,407.40x = 2,468,031.21 × 972,627.24
  4. Step 4: Simplify right side
    1,788,407.40x = 2,400,474,384,016.16
  5. Step 5: Solve for x
    x = 2,400,474,384,016.16/1,788,407.40
  6. Step 6: Final answer
    x = 1,342,241.36

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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.