Home / 1,729,424.76-2,595,711.36-920,488.32

Finding the Fourth Proportional to 1,729,424.76, 2,595,711.36 and 920,488.32

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Solution

The fourth proportional to 1,729,424.76, 2,595,711.36 and 920,488.32 is: 1,381,570.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,729,424.76 : 2,595,711.36 = 920,488.32 : x
  2. Step 2: Convert to fraction form
    1,729,424.76/2,595,711.36 = 920,488.32/x
  3. Step 3: Cross multiply
    1,729,424.76x = 2,595,711.36 × 920,488.32
  4. Step 4: Simplify right side
    1,729,424.76x = 2,389,321,988,971.32
  5. Step 5: Solve for x
    x = 2,389,321,988,971.32/1,729,424.76
  6. Step 6: Final answer
    x = 1,381,570.36

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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.