Home / 703,886.40-1,055,829.60-679,003.20

Finding the Fourth Proportional to 703,886.40, 1,055,829.60 and 679,003.20

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Solution

The fourth proportional to 703,886.40, 1,055,829.60 and 679,003.20 is: 1,018,504.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,886.40 : 1,055,829.60 = 679,003.20 : x
  2. Step 2: Convert to fraction form
    703,886.40/1,055,829.60 = 679,003.20/x
  3. Step 3: Cross multiply
    703,886.40x = 1,055,829.60 × 679,003.20
  4. Step 4: Simplify right side
    703,886.40x = 716,911,677,054.72
  5. Step 5: Solve for x
    x = 716,911,677,054.72/703,886.40
  6. Step 6: Final answer
    x = 1,018,504.80

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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.