Home / 1,715,184.45-2,366,641.26-989,767.35

Finding the Fourth Proportional to 1,715,184.45, 2,366,641.26 and 989,767.35

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Solution

The fourth proportional to 1,715,184.45, 2,366,641.26 and 989,767.35 is: 1,365,698.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,715,184.45 : 2,366,641.26 = 989,767.35 : x
  2. Step 2: Convert to fraction form
    1,715,184.45/2,366,641.26 = 989,767.35/x
  3. Step 3: Cross multiply
    1,715,184.45x = 2,366,641.26 × 989,767.35
  4. Step 4: Simplify right side
    1,715,184.45x = 2,342,424,248,310.86
  5. Step 5: Solve for x
    x = 2,342,424,248,310.86/1,715,184.45
  6. Step 6: Final answer
    x = 1,365,698.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.