Home / 1,018,376.10-1,527,784.47-387,301.86

Finding the Fourth Proportional to 1,018,376.10, 1,527,784.47 and 387,301.86

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Solution

The fourth proportional to 1,018,376.10, 1,527,784.47 and 387,301.86 is: 581,036.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,018,376.10 : 1,527,784.47 = 387,301.86 : x
  2. Step 2: Convert to fraction form
    1,018,376.10/1,527,784.47 = 387,301.86/x
  3. Step 3: Cross multiply
    1,018,376.10x = 1,527,784.47 × 387,301.86
  4. Step 4: Simplify right side
    1,018,376.10x = 591,713,766,910.11
  5. Step 5: Solve for x
    x = 591,713,766,910.11/1,018,376.10
  6. Step 6: Final answer
    x = 581,036.58

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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.