Home / 1,018,818.98-1,528,280.73-260,666.98

Finding the Fourth Proportional to 1,018,818.98, 1,528,280.73 and 260,666.98

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Solution

The fourth proportional to 1,018,818.98, 1,528,280.73 and 260,666.98 is: 391,013.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,018,818.98 : 1,528,280.73 = 260,666.98 : x
  2. Step 2: Convert to fraction form
    1,018,818.98/1,528,280.73 = 260,666.98/x
  3. Step 3: Cross multiply
    1,018,818.98x = 1,528,280.73 × 260,666.98
  4. Step 4: Simplify right side
    1,018,818.98x = 398,372,318,660.59
  5. Step 5: Solve for x
    x = 398,372,318,660.59/1,018,818.98
  6. Step 6: Final answer
    x = 391,013.84

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Double scale
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Similar ratio
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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.