Home / 1,187,098.44-1,780,632.18-288,537.63

Finding the Fourth Proportional to 1,187,098.44, 1,780,632.18 and 288,537.63

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Solution

The fourth proportional to 1,187,098.44, 1,780,632.18 and 288,537.63 is: 432,802.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,187,098.44 : 1,780,632.18 = 288,537.63 : x
  2. Step 2: Convert to fraction form
    1,187,098.44/1,780,632.18 = 288,537.63/x
  3. Step 3: Cross multiply
    1,187,098.44x = 1,780,632.18 × 288,537.63
  4. Step 4: Simplify right side
    1,187,098.44x = 513,779,389,118.93
  5. Step 5: Solve for x
    x = 513,779,389,118.93/1,187,098.44
  6. Step 6: Final answer
    x = 432,802.68

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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.