Home / 743,274.60-1,109,295.12-671,530.20

Finding the Fourth Proportional to 743,274.60, 1,109,295.12 and 671,530.20

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Solution

The fourth proportional to 743,274.60, 1,109,295.12 and 671,530.20 is: 1,002,220.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,274.60 : 1,109,295.12 = 671,530.20 : x
  2. Step 2: Convert to fraction form
    743,274.60/1,109,295.12 = 671,530.20/x
  3. Step 3: Cross multiply
    743,274.60x = 1,109,295.12 × 671,530.20
  4. Step 4: Simplify right side
    743,274.60x = 744,925,173,792.62
  5. Step 5: Solve for x
    x = 744,925,173,792.62/743,274.60
  6. Step 6: Final answer
    x = 1,002,220.68

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.