Home / 1,141,432.86-1,712,262.52-421,963.06

Finding the Fourth Proportional to 1,141,432.86, 1,712,262.52 and 421,963.06

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Solution

The fourth proportional to 1,141,432.86, 1,712,262.52 and 421,963.06 is: 632,986.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,141,432.86 : 1,712,262.52 = 421,963.06 : x
  2. Step 2: Convert to fraction form
    1,141,432.86/1,712,262.52 = 421,963.06/x
  3. Step 3: Cross multiply
    1,141,432.86x = 1,712,262.52 × 421,963.06
  4. Step 4: Simplify right side
    1,141,432.86x = 722,511,532,462.51
  5. Step 5: Solve for x
    x = 722,511,532,462.51/1,141,432.86
  6. Step 6: Final answer
    x = 632,986.45

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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.