Home / 1,986,924-2,980,830.24-724,751.58

Finding the Fourth Proportional to 1,986,924, 2,980,830.24 and 724,751.58

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Solution

The fourth proportional to 1,986,924, 2,980,830.24 and 724,751.58 is: 1,087,289.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,986,924 : 2,980,830.24 = 724,751.58 : x
  2. Step 2: Convert to fraction form
    1,986,924/2,980,830.24 = 724,751.58/x
  3. Step 3: Cross multiply
    1,986,924x = 2,980,830.24 × 724,751.58
  4. Step 4: Simplify right side
    1,986,924x = 2,160,361,426,151.78
  5. Step 5: Solve for x
    x = 2,160,361,426,151.78/1,986,924
  6. Step 6: Final answer
    x = 1,087,289.41

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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.