Home / 1,445,639.10-2,168,458.65-699,143.10

Finding the Fourth Proportional to 1,445,639.10, 2,168,458.65 and 699,143.10

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Solution

The fourth proportional to 1,445,639.10, 2,168,458.65 and 699,143.10 is: 1,048,714.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,445,639.10 : 2,168,458.65 = 699,143.10 : x
  2. Step 2: Convert to fraction form
    1,445,639.10/2,168,458.65 = 699,143.10/x
  3. Step 3: Cross multiply
    1,445,639.10x = 2,168,458.65 × 699,143.10
  4. Step 4: Simplify right side
    1,445,639.10x = 1,516,062,902,782.82
  5. Step 5: Solve for x
    x = 1,516,062,902,782.82/1,445,639.10
  6. Step 6: Final answer
    x = 1,048,714.65

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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.