Home / 1,032,065.80-1,548,098.70-780,123.40

Finding the Fourth Proportional to 1,032,065.80, 1,548,098.70 and 780,123.40

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Solution

The fourth proportional to 1,032,065.80, 1,548,098.70 and 780,123.40 is: 1,170,185.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,032,065.80 : 1,548,098.70 = 780,123.40 : x
  2. Step 2: Convert to fraction form
    1,032,065.80/1,548,098.70 = 780,123.40/x
  3. Step 3: Cross multiply
    1,032,065.80x = 1,548,098.70 × 780,123.40
  4. Step 4: Simplify right side
    1,032,065.80x = 1,207,708,021,379.58
  5. Step 5: Solve for x
    x = 1,207,708,021,379.58/1,032,065.80
  6. Step 6: Final answer
    x = 1,170,185.10

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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.