Home / 1,018,299.67-1,527,646.20-387,164.41

Finding the Fourth Proportional to 1,018,299.67, 1,527,646.20 and 387,164.41

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Solution

The fourth proportional to 1,018,299.67, 1,527,646.20 and 387,164.41 is: 580,821.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,018,299.67 : 1,527,646.20 = 387,164.41 : x
  2. Step 2: Convert to fraction form
    1,018,299.67/1,527,646.20 = 387,164.41/x
  3. Step 3: Cross multiply
    1,018,299.67x = 1,527,646.20 × 387,164.41
  4. Step 4: Simplify right side
    1,018,299.67x = 591,450,239,711.74
  5. Step 5: Solve for x
    x = 591,450,239,711.74/1,018,299.67
  6. Step 6: Final answer
    x = 580,821.40

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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.