Home / 1,058,856.10-1,587,700.95-427,056.10

Finding the Fourth Proportional to 1,058,856.10, 1,587,700.95 and 427,056.10

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Solution

The fourth proportional to 1,058,856.10, 1,587,700.95 and 427,056.10 is: 640,348.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,058,856.10 : 1,587,700.95 = 427,056.10 : x
  2. Step 2: Convert to fraction form
    1,058,856.10/1,587,700.95 = 427,056.10/x
  3. Step 3: Cross multiply
    1,058,856.10x = 1,587,700.95 × 427,056.10
  4. Step 4: Simplify right side
    1,058,856.10x = 678,037,375,673.30
  5. Step 5: Solve for x
    x = 678,037,375,673.30/1,058,856.10
  6. Step 6: Final answer
    x = 640,348.93

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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.