Home / 1,230,131.40-1,845,197.10-670,259.40

Finding the Fourth Proportional to 1,230,131.40, 1,845,197.10 and 670,259.40

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Solution

The fourth proportional to 1,230,131.40, 1,845,197.10 and 670,259.40 is: 1,005,389.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,230,131.40 : 1,845,197.10 = 670,259.40 : x
  2. Step 2: Convert to fraction form
    1,230,131.40/1,845,197.10 = 670,259.40/x
  3. Step 3: Cross multiply
    1,230,131.40x = 1,845,197.10 × 670,259.40
  4. Step 4: Simplify right side
    1,230,131.40x = 1,236,760,701,127.74
  5. Step 5: Solve for x
    x = 1,236,760,701,127.74/1,230,131.40
  6. Step 6: Final answer
    x = 1,005,389.10

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Double scale
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Similar ratio
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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.