Home / 1,138,473.19-1,707,458.25-328,681.70

Finding the Fourth Proportional to 1,138,473.19, 1,707,458.25 and 328,681.70

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Solution

The fourth proportional to 1,138,473.19, 1,707,458.25 and 328,681.70 is: 492,949.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,138,473.19 : 1,707,458.25 = 328,681.70 : x
  2. Step 2: Convert to fraction form
    1,138,473.19/1,707,458.25 = 328,681.70/x
  3. Step 3: Cross multiply
    1,138,473.19x = 1,707,458.25 × 328,681.70
  4. Step 4: Simplify right side
    1,138,473.19x = 561,210,280,289.03
  5. Step 5: Solve for x
    x = 561,210,280,289.03/1,138,473.19
  6. Step 6: Final answer
    x = 492,949.93

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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.