Home / 1,376,880.10-2,065,514.55-430,152.10

Finding the Fourth Proportional to 1,376,880.10, 2,065,514.55 and 430,152.10

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Solution

The fourth proportional to 1,376,880.10, 2,065,514.55 and 430,152.10 is: 645,288.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,376,880.10 : 2,065,514.55 = 430,152.10 : x
  2. Step 2: Convert to fraction form
    1,376,880.10/2,065,514.55 = 430,152.10/x
  3. Step 3: Cross multiply
    1,376,880.10x = 2,065,514.55 × 430,152.10
  4. Step 4: Simplify right side
    1,376,880.10x = 888,485,421,263.06
  5. Step 5: Solve for x
    x = 888,485,421,263.06/1,376,880.10
  6. Step 6: Final answer
    x = 645,288.88

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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.