Home / 1,725,856.90-2,381,580.04-990,641.32

Finding the Fourth Proportional to 1,725,856.90, 2,381,580.04 and 990,641.32

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Solution

The fourth proportional to 1,725,856.90, 2,381,580.04 and 990,641.32 is: 1,367,026.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,725,856.90 : 2,381,580.04 = 990,641.32 : x
  2. Step 2: Convert to fraction form
    1,725,856.90/2,381,580.04 = 990,641.32/x
  3. Step 3: Cross multiply
    1,725,856.90x = 2,381,580.04 × 990,641.32
  4. Step 4: Simplify right side
    1,725,856.90x = 2,359,291,594,511.25
  5. Step 5: Solve for x
    x = 2,359,291,594,511.25/1,725,856.90
  6. Step 6: Final answer
    x = 1,367,026.20

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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.