Home / 1,291,518.38-1,782,094.02-747,547.76

Finding the Fourth Proportional to 1,291,518.38, 1,782,094.02 and 747,547.76

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Solution

The fourth proportional to 1,291,518.38, 1,782,094.02 and 747,547.76 is: 1,031,499.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,291,518.38 : 1,782,094.02 = 747,547.76 : x
  2. Step 2: Convert to fraction form
    1,291,518.38/1,782,094.02 = 747,547.76/x
  3. Step 3: Cross multiply
    1,291,518.38x = 1,782,094.02 × 747,547.76
  4. Step 4: Simplify right side
    1,291,518.38x = 1,332,200,392,760.40
  5. Step 5: Solve for x
    x = 1,332,200,392,760.40/1,291,518.38
  6. Step 6: Final answer
    x = 1,031,499.37

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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.