Home / 1,010,685.12-1,518,039.71-632,275.80

Finding the Fourth Proportional to 1,010,685.12, 1,518,039.71 and 632,275.80

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Solution

The fourth proportional to 1,010,685.12, 1,518,039.71 and 632,275.80 is: 949,672.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,010,685.12 : 1,518,039.71 = 632,275.80 : x
  2. Step 2: Convert to fraction form
    1,010,685.12/1,518,039.71 = 632,275.80/x
  3. Step 3: Cross multiply
    1,010,685.12x = 1,518,039.71 × 632,275.80
  4. Step 4: Simplify right side
    1,010,685.12x = 959,819,772,072.02
  5. Step 5: Solve for x
    x = 959,819,772,072.02/1,010,685.12
  6. Step 6: Final answer
    x = 949,672.41

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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.