Home / 1,186,714.47-1,780,071.68-288,150.15

Finding the Fourth Proportional to 1,186,714.47, 1,780,071.68 and 288,150.15

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Solution

The fourth proportional to 1,186,714.47, 1,780,071.68 and 288,150.15 is: 432,225.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,186,714.47 : 1,780,071.68 = 288,150.15 : x
  2. Step 2: Convert to fraction form
    1,186,714.47/1,780,071.68 = 288,150.15/x
  3. Step 3: Cross multiply
    1,186,714.47x = 1,780,071.68 × 288,150.15
  4. Step 4: Simplify right side
    1,186,714.47x = 512,927,920,162.00
  5. Step 5: Solve for x
    x = 512,927,920,162.00/1,186,714.47
  6. Step 6: Final answer
    x = 432,225.22

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Similar ratio
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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.