Home / 1,042,610.40-1,564,061.40-443,566.80

Finding the Fourth Proportional to 1,042,610.40, 1,564,061.40 and 443,566.80

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Solution

The fourth proportional to 1,042,610.40, 1,564,061.40 and 443,566.80 is: 665,412.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,042,610.40 : 1,564,061.40 = 443,566.80 : x
  2. Step 2: Convert to fraction form
    1,042,610.40/1,564,061.40 = 443,566.80/x
  3. Step 3: Cross multiply
    1,042,610.40x = 1,564,061.40 × 443,566.80
  4. Step 4: Simplify right side
    1,042,610.40x = 693,765,710,201.52
  5. Step 5: Solve for x
    x = 693,765,710,201.52/1,042,610.40
  6. Step 6: Final answer
    x = 665,412.23

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1.5x scale

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.