Home / 1,038,863.80-1,558,587.30-506,402.20

Finding the Fourth Proportional to 1,038,863.80, 1,558,587.30 and 506,402.20

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Solution

The fourth proportional to 1,038,863.80, 1,558,587.30 and 506,402.20 is: 759,745.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,863.80 : 1,558,587.30 = 506,402.20 : x
  2. Step 2: Convert to fraction form
    1,038,863.80/1,558,587.30 = 506,402.20/x
  3. Step 3: Cross multiply
    1,038,863.80x = 1,558,587.30 × 506,402.20
  4. Step 4: Simplify right side
    1,038,863.80x = 789,272,037,612.06
  5. Step 5: Solve for x
    x = 789,272,037,612.06/1,038,863.80
  6. Step 6: Final answer
    x = 759,745.44

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Double scale
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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.