Home / 1,058,835.10-1,588,252.65-427,423.90

Finding the Fourth Proportional to 1,058,835.10, 1,588,252.65 and 427,423.90

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Solution

The fourth proportional to 1,058,835.10, 1,588,252.65 and 427,423.90 is: 641,135.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,058,835.10 : 1,588,252.65 = 427,423.90 : x
  2. Step 2: Convert to fraction form
    1,058,835.10/1,588,252.65 = 427,423.90/x
  3. Step 3: Cross multiply
    1,058,835.10x = 1,588,252.65 × 427,423.90
  4. Step 4: Simplify right side
    1,058,835.10x = 678,857,141,848.34
  5. Step 5: Solve for x
    x = 678,857,141,848.34/1,058,835.10
  6. Step 6: Final answer
    x = 641,135.85

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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.