Home / 1,071,807.80-1,607,711.70-361,664.60

Finding the Fourth Proportional to 1,071,807.80, 1,607,711.70 and 361,664.60

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Solution

The fourth proportional to 1,071,807.80, 1,607,711.70 and 361,664.60 is: 542,496.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,071,807.80 : 1,607,711.70 = 361,664.60 : x
  2. Step 2: Convert to fraction form
    1,071,807.80/1,607,711.70 = 361,664.60/x
  3. Step 3: Cross multiply
    1,071,807.80x = 1,607,711.70 × 361,664.60
  4. Step 4: Simplify right side
    1,071,807.80x = 581,452,408,895.82
  5. Step 5: Solve for x
    x = 581,452,408,895.82/1,071,807.80
  6. Step 6: Final answer
    x = 542,496.90

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Double scale
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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.