Home / 816,130.80-1,143,764.12-816,130.80

Finding the Fourth Proportional to 816,130.80, 1,143,764.12 and 816,130.80

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Solution

The fourth proportional to 816,130.80, 1,143,764.12 and 816,130.80 is: 1,143,764.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,130.80 : 1,143,764.12 = 816,130.80 : x
  2. Step 2: Convert to fraction form
    816,130.80/1,143,764.12 = 816,130.80/x
  3. Step 3: Cross multiply
    816,130.80x = 1,143,764.12 × 816,130.80
  4. Step 4: Simplify right side
    816,130.80x = 933,461,126,266.90
  5. Step 5: Solve for x
    x = 933,461,126,266.90/816,130.80
  6. Step 6: Final answer
    x = 1,143,764.12

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.