Home / 816,088.40-1,224,132.60-760,101.20

Finding the Fourth Proportional to 816,088.40, 1,224,132.60 and 760,101.20

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Solution

The fourth proportional to 816,088.40, 1,224,132.60 and 760,101.20 is: 1,140,151.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,088.40 : 1,224,132.60 = 760,101.20 : x
  2. Step 2: Convert to fraction form
    816,088.40/1,224,132.60 = 760,101.20/x
  3. Step 3: Cross multiply
    816,088.40x = 1,224,132.60 × 760,101.20
  4. Step 4: Simplify right side
    816,088.40x = 930,464,658,219.12
  5. Step 5: Solve for x
    x = 930,464,658,219.12/816,088.40
  6. Step 6: Final answer
    x = 1,140,151.80

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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.