Home / 1,373,080.70-2,059,621.05-426,547.10

Finding the Fourth Proportional to 1,373,080.70, 2,059,621.05 and 426,547.10

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Solution

The fourth proportional to 1,373,080.70, 2,059,621.05 and 426,547.10 is: 639,820.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,373,080.70 : 2,059,621.05 = 426,547.10 : x
  2. Step 2: Convert to fraction form
    1,373,080.70/2,059,621.05 = 426,547.10/x
  3. Step 3: Cross multiply
    1,373,080.70x = 2,059,621.05 × 426,547.10
  4. Step 4: Simplify right side
    1,373,080.70x = 878,525,385,976.46
  5. Step 5: Solve for x
    x = 878,525,385,976.46/1,373,080.70
  6. Step 6: Final answer
    x = 639,820.65

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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.