Home / 1,556,787.90-2,335,009.05-1,275,815.10

Finding the Fourth Proportional to 1,556,787.90, 2,335,009.05 and 1,275,815.10

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Solution

The fourth proportional to 1,556,787.90, 2,335,009.05 and 1,275,815.10 is: 1,913,581.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,556,787.90 : 2,335,009.05 = 1,275,815.10 : x
  2. Step 2: Convert to fraction form
    1,556,787.90/2,335,009.05 = 1,275,815.10/x
  3. Step 3: Cross multiply
    1,556,787.90x = 2,335,009.05 × 1,275,815.10
  4. Step 4: Simplify right side
    1,556,787.90x = 2,979,039,804,626.66
  5. Step 5: Solve for x
    x = 2,979,039,804,626.66/1,556,787.90
  6. Step 6: Final answer
    x = 1,913,581.04

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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.