Home / 1,012,125.34-1,396,180.02-649,145.26

Finding the Fourth Proportional to 1,012,125.34, 1,396,180.02 and 649,145.26

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Solution

The fourth proportional to 1,012,125.34, 1,396,180.02 and 649,145.26 is: 895,465.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,012,125.34 : 1,396,180.02 = 649,145.26 : x
  2. Step 2: Convert to fraction form
    1,012,125.34/1,396,180.02 = 649,145.26/x
  3. Step 3: Cross multiply
    1,012,125.34x = 1,396,180.02 × 649,145.26
  4. Step 4: Simplify right side
    1,012,125.34x = 906,323,642,089.71
  5. Step 5: Solve for x
    x = 906,323,642,089.71/1,012,125.34
  6. Step 6: Final answer
    x = 895,465.81

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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.