Home / 1,142,034.90-1,712,388.35-432,117.69

Finding the Fourth Proportional to 1,142,034.90, 1,712,388.35 and 432,117.69

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Solution

The fourth proportional to 1,142,034.90, 1,712,388.35 and 432,117.69 is: 647,925.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,142,034.90 : 1,712,388.35 = 432,117.69 : x
  2. Step 2: Convert to fraction form
    1,142,034.90/1,712,388.35 = 432,117.69/x
  3. Step 3: Cross multiply
    1,142,034.90x = 1,712,388.35 × 432,117.69
  4. Step 4: Simplify right side
    1,142,034.90x = 739,953,290,413.09
  5. Step 5: Solve for x
    x = 739,953,290,413.09/1,142,034.90
  6. Step 6: Final answer
    x = 647,925.29

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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.