Home / 1,472,816.90-2,032,250.22-828,198.66

Finding the Fourth Proportional to 1,472,816.90, 2,032,250.22 and 828,198.66

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Solution

The fourth proportional to 1,472,816.90, 2,032,250.22 and 828,198.66 is: 1,142,780.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,472,816.90 : 2,032,250.22 = 828,198.66 : x
  2. Step 2: Convert to fraction form
    1,472,816.90/2,032,250.22 = 828,198.66/x
  3. Step 3: Cross multiply
    1,472,816.90x = 2,032,250.22 × 828,198.66
  4. Step 4: Simplify right side
    1,472,816.90x = 1,683,106,908,988.71
  5. Step 5: Solve for x
    x = 1,683,106,908,988.71/1,472,816.90
  6. Step 6: Final answer
    x = 1,142,780.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.