Home / 1,325,521-1,986,428.13-716,995.68

Finding the Fourth Proportional to 1,325,521, 1,986,428.13 and 716,995.68

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Solution

The fourth proportional to 1,325,521, 1,986,428.13 and 716,995.68 is: 1,074,491.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,325,521 : 1,986,428.13 = 716,995.68 : x
  2. Step 2: Convert to fraction form
    1,325,521/1,986,428.13 = 716,995.68/x
  3. Step 3: Cross multiply
    1,325,521x = 1,986,428.13 × 716,995.68
  4. Step 4: Simplify right side
    1,325,521x = 1,424,260,387,840.48
  5. Step 5: Solve for x
    x = 1,424,260,387,840.48/1,325,521
  6. Step 6: Final answer
    x = 1,074,491.00

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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.