Home / 1,249,832.40-1,874,359.80-451,009.86

Finding the Fourth Proportional to 1,249,832.40, 1,874,359.80 and 451,009.86

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Solution

The fourth proportional to 1,249,832.40, 1,874,359.80 and 451,009.86 is: 676,374.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,249,832.40 : 1,874,359.80 = 451,009.86 : x
  2. Step 2: Convert to fraction form
    1,249,832.40/1,874,359.80 = 451,009.86/x
  3. Step 3: Cross multiply
    1,249,832.40x = 1,874,359.80 × 451,009.86
  4. Step 4: Simplify right side
    1,249,832.40x = 845,354,750,987.63
  5. Step 5: Solve for x
    x = 845,354,750,987.63/1,249,832.40
  6. Step 6: Final answer
    x = 676,374.49

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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.