Home / 1,142,642.10-1,714,400.55-1,124,708.70

Finding the Fourth Proportional to 1,142,642.10, 1,714,400.55 and 1,124,708.70

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Solution

The fourth proportional to 1,142,642.10, 1,714,400.55 and 1,124,708.70 is: 1,687,493.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,142,642.10 : 1,714,400.55 = 1,124,708.70 : x
  2. Step 2: Convert to fraction form
    1,142,642.10/1,714,400.55 = 1,124,708.70/x
  3. Step 3: Cross multiply
    1,142,642.10x = 1,714,400.55 × 1,124,708.70
  4. Step 4: Simplify right side
    1,142,642.10x = 1,928,201,213,869.79
  5. Step 5: Solve for x
    x = 1,928,201,213,869.79/1,142,642.10
  6. Step 6: Final answer
    x = 1,687,493.59

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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.