Home / 1,186,775.10-1,780,146.09-288,223.74

Finding the Fourth Proportional to 1,186,775.10, 1,780,146.09 and 288,223.74

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Solution

The fourth proportional to 1,186,775.10, 1,780,146.09 and 288,223.74 is: 432,331.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,186,775.10 : 1,780,146.09 = 288,223.74 : x
  2. Step 2: Convert to fraction form
    1,186,775.10/1,780,146.09 = 288,223.74/x
  3. Step 3: Cross multiply
    1,186,775.10x = 1,780,146.09 × 288,223.74
  4. Step 4: Simplify right side
    1,186,775.10x = 513,080,363,806.18
  5. Step 5: Solve for x
    x = 513,080,363,806.18/1,186,775.10
  6. Step 6: Final answer
    x = 432,331.59

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1.5x scale

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.