Home / 1,058,818.60-1,588,227.90-427,407.40

Finding the Fourth Proportional to 1,058,818.60, 1,588,227.90 and 427,407.40

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Solution

The fourth proportional to 1,058,818.60, 1,588,227.90 and 427,407.40 is: 641,111.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,058,818.60 : 1,588,227.90 = 427,407.40 : x
  2. Step 2: Convert to fraction form
    1,058,818.60/1,588,227.90 = 427,407.40/x
  3. Step 3: Cross multiply
    1,058,818.60x = 1,588,227.90 × 427,407.40
  4. Step 4: Simplify right side
    1,058,818.60x = 678,820,357,346.46
  5. Step 5: Solve for x
    x = 678,820,357,346.46/1,058,818.60
  6. Step 6: Final answer
    x = 641,111.10

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1.5x scale

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.