Home / 1,186,972.95-1,780,461.65-288,415.44

Finding the Fourth Proportional to 1,186,972.95, 1,780,461.65 and 288,415.44

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Solution

The fourth proportional to 1,186,972.95, 1,780,461.65 and 288,415.44 is: 432,623.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,186,972.95 : 1,780,461.65 = 288,415.44 : x
  2. Step 2: Convert to fraction form
    1,186,972.95/1,780,461.65 = 288,415.44/x
  3. Step 3: Cross multiply
    1,186,972.95x = 1,780,461.65 × 288,415.44
  4. Step 4: Simplify right side
    1,186,972.95x = 513,512,628,745.80
  5. Step 5: Solve for x
    x = 513,512,628,745.80/1,186,972.95
  6. Step 6: Final answer
    x = 432,623.70

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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.