Home / 1,031,090.76-1,547,767.56-819,220.56

Finding the Fourth Proportional to 1,031,090.76, 1,547,767.56 and 819,220.56

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Solution

The fourth proportional to 1,031,090.76, 1,547,767.56 and 819,220.56 is: 1,229,729.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,031,090.76 : 1,547,767.56 = 819,220.56 : x
  2. Step 2: Convert to fraction form
    1,031,090.76/1,547,767.56 = 819,220.56/x
  3. Step 3: Cross multiply
    1,031,090.76x = 1,547,767.56 × 819,220.56
  4. Step 4: Simplify right side
    1,031,090.76x = 1,267,963,007,253.03
  5. Step 5: Solve for x
    x = 1,267,963,007,253.03/1,031,090.76
  6. Step 6: Final answer
    x = 1,229,729.77

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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.