Home / 1,480,510.71-2,221,028.45-670,862.43

Finding the Fourth Proportional to 1,480,510.71, 2,221,028.45 and 670,862.43

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Solution

The fourth proportional to 1,480,510.71, 2,221,028.45 and 670,862.43 is: 1,006,412.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,480,510.71 : 2,221,028.45 = 670,862.43 : x
  2. Step 2: Convert to fraction form
    1,480,510.71/2,221,028.45 = 670,862.43/x
  3. Step 3: Cross multiply
    1,480,510.71x = 2,221,028.45 × 670,862.43
  4. Step 4: Simplify right side
    1,480,510.71x = 1,490,004,543,066.13
  5. Step 5: Solve for x
    x = 1,490,004,543,066.13/1,480,510.71
  6. Step 6: Final answer
    x = 1,006,412.54

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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.