Home / 1,186,823.88-1,780,210.71-288,269.82

Finding the Fourth Proportional to 1,186,823.88, 1,780,210.71 and 288,269.82

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Solution

The fourth proportional to 1,186,823.88, 1,780,210.71 and 288,269.82 is: 432,398.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,186,823.88 : 1,780,210.71 = 288,269.82 : x
  2. Step 2: Convert to fraction form
    1,186,823.88/1,780,210.71 = 288,269.82/x
  3. Step 3: Cross multiply
    1,186,823.88x = 1,780,210.71 × 288,269.82
  4. Step 4: Simplify right side
    1,186,823.88x = 513,181,020,933.77
  5. Step 5: Solve for x
    x = 513,181,020,933.77/1,186,823.88
  6. Step 6: Final answer
    x = 432,398.63

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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.