Home / 912,843.60-1,369,265.40-676,647.60

Finding the Fourth Proportional to 912,843.60, 1,369,265.40 and 676,647.60

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Solution

The fourth proportional to 912,843.60, 1,369,265.40 and 676,647.60 is: 1,014,971.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,843.60 : 1,369,265.40 = 676,647.60 : x
  2. Step 2: Convert to fraction form
    912,843.60/1,369,265.40 = 676,647.60/x
  3. Step 3: Cross multiply
    912,843.60x = 1,369,265.40 × 676,647.60
  4. Step 4: Simplify right side
    912,843.60x = 926,510,146,673.04
  5. Step 5: Solve for x
    x = 926,510,146,673.04/912,843.60
  6. Step 6: Final answer
    x = 1,014,971.40

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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.