Home / 1,370,037.28-1,891,031.76-797,188.48

Finding the Fourth Proportional to 1,370,037.28, 1,891,031.76 and 797,188.48

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Solution

The fourth proportional to 1,370,037.28, 1,891,031.76 and 797,188.48 is: 1,100,341.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,370,037.28 : 1,891,031.76 = 797,188.48 : x
  2. Step 2: Convert to fraction form
    1,370,037.28/1,891,031.76 = 797,188.48/x
  3. Step 3: Cross multiply
    1,370,037.28x = 1,891,031.76 × 797,188.48
  4. Step 4: Simplify right side
    1,370,037.28x = 1,507,508,734,386.12
  5. Step 5: Solve for x
    x = 1,507,508,734,386.12/1,370,037.28
  6. Step 6: Final answer
    x = 1,100,341.40

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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.