Home / 1,532,618.16-2,115,012.32-888,411.68

Finding the Fourth Proportional to 1,532,618.16, 2,115,012.32 and 888,411.68

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Solution

The fourth proportional to 1,532,618.16, 2,115,012.32 and 888,411.68 is: 1,226,007.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,532,618.16 : 2,115,012.32 = 888,411.68 : x
  2. Step 2: Convert to fraction form
    1,532,618.16/2,115,012.32 = 888,411.68/x
  3. Step 3: Cross multiply
    1,532,618.16x = 2,115,012.32 × 888,411.68
  4. Step 4: Simplify right side
    1,532,618.16x = 1,879,001,648,431.90
  5. Step 5: Solve for x
    x = 1,879,001,648,431.90/1,532,618.16
  6. Step 6: Final answer
    x = 1,226,007.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.