Home / 768,088.40-1,152,132.60-684,107.60

Finding the Fourth Proportional to 768,088.40, 1,152,132.60 and 684,107.60

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Solution

The fourth proportional to 768,088.40, 1,152,132.60 and 684,107.60 is: 1,026,161.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,088.40 : 1,152,132.60 = 684,107.60 : x
  2. Step 2: Convert to fraction form
    768,088.40/1,152,132.60 = 684,107.60/x
  3. Step 3: Cross multiply
    768,088.40x = 1,152,132.60 × 684,107.60
  4. Step 4: Simplify right side
    768,088.40x = 788,182,667,867.76
  5. Step 5: Solve for x
    x = 788,182,667,867.76/768,088.40
  6. Step 6: Final answer
    x = 1,026,161.40

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1.5x scale

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.