Home / 1,456,716.48-2,011,538.07-913,785.53

Finding the Fourth Proportional to 1,456,716.48, 2,011,538.07 and 913,785.53

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Solution

The fourth proportional to 1,456,716.48, 2,011,538.07 and 913,785.53 is: 1,261,820.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,456,716.48 : 2,011,538.07 = 913,785.53 : x
  2. Step 2: Convert to fraction form
    1,456,716.48/2,011,538.07 = 913,785.53/x
  3. Step 3: Cross multiply
    1,456,716.48x = 2,011,538.07 × 913,785.53
  4. Step 4: Simplify right side
    1,456,716.48x = 1,838,114,371,352.44
  5. Step 5: Solve for x
    x = 1,838,114,371,352.44/1,456,716.48
  6. Step 6: Final answer
    x = 1,261,820.26

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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.