Home / 684,117.60-1,026,176.40-674,786.40

Finding the Fourth Proportional to 684,117.60, 1,026,176.40 and 674,786.40

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Solution

The fourth proportional to 684,117.60, 1,026,176.40 and 674,786.40 is: 1,012,179.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,117.60 : 1,026,176.40 = 674,786.40 : x
  2. Step 2: Convert to fraction form
    684,117.60/1,026,176.40 = 674,786.40/x
  3. Step 3: Cross multiply
    684,117.60x = 1,026,176.40 × 674,786.40
  4. Step 4: Simplify right side
    684,117.60x = 692,449,878,720.96
  5. Step 5: Solve for x
    x = 692,449,878,720.96/684,117.60
  6. Step 6: Final answer
    x = 1,012,179.60

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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.