Home / 1,006,641.86-1,509,767.83-391,144.76

Finding the Fourth Proportional to 1,006,641.86, 1,509,767.83 and 391,144.76

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Solution

The fourth proportional to 1,006,641.86, 1,509,767.83 and 391,144.76 is: 586,641.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,006,641.86 : 1,509,767.83 = 391,144.76 : x
  2. Step 2: Convert to fraction form
    1,006,641.86/1,509,767.83 = 391,144.76/x
  3. Step 3: Cross multiply
    1,006,641.86x = 1,509,767.83 × 391,144.76
  4. Step 4: Simplify right side
    1,006,641.86x = 590,537,782,615.24
  5. Step 5: Solve for x
    x = 590,537,782,615.24/1,006,641.86
  6. Step 6: Final answer
    x = 586,641.40

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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.