Home / 1,039,212-1,554,314.76-611,729.28

Finding the Fourth Proportional to 1,039,212, 1,554,314.76 and 611,729.28

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Solution

The fourth proportional to 1,039,212, 1,554,314.76 and 611,729.28 is: 914,943.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,039,212 : 1,554,314.76 = 611,729.28 : x
  2. Step 2: Convert to fraction form
    1,039,212/1,554,314.76 = 611,729.28/x
  3. Step 3: Cross multiply
    1,039,212x = 1,554,314.76 × 611,729.28
  4. Step 4: Simplify right side
    1,039,212x = 950,819,849,028.17
  5. Step 5: Solve for x
    x = 950,819,849,028.17/1,039,212
  6. Step 6: Final answer
    x = 914,943.10

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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.