Home / 1,121,031.72-1,547,056.68-611,766.96

Finding the Fourth Proportional to 1,121,031.72, 1,547,056.68 and 611,766.96

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Solution

The fourth proportional to 1,121,031.72, 1,547,056.68 and 611,766.96 is: 844,256.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,121,031.72 : 1,547,056.68 = 611,766.96 : x
  2. Step 2: Convert to fraction form
    1,121,031.72/1,547,056.68 = 611,766.96/x
  3. Step 3: Cross multiply
    1,121,031.72x = 1,547,056.68 × 611,766.96
  4. Step 4: Simplify right side
    1,121,031.72x = 946,438,162,071.29
  5. Step 5: Solve for x
    x = 946,438,162,071.29/1,121,031.72
  6. Step 6: Final answer
    x = 844,256.36

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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.