Home / 1,069,517.16-1,603,195.59-670,437.66

Finding the Fourth Proportional to 1,069,517.16, 1,603,195.59 and 670,437.66

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Solution

The fourth proportional to 1,069,517.16, 1,603,195.59 and 670,437.66 is: 1,004,979.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,069,517.16 : 1,603,195.59 = 670,437.66 : x
  2. Step 2: Convert to fraction form
    1,069,517.16/1,603,195.59 = 670,437.66/x
  3. Step 3: Cross multiply
    1,069,517.16x = 1,603,195.59 × 670,437.66
  4. Step 4: Simplify right side
    1,069,517.16x = 1,074,842,699,881.92
  5. Step 5: Solve for x
    x = 1,074,842,699,881.92/1,069,517.16
  6. Step 6: Final answer
    x = 1,004,979.39

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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.