Home / 1,038,603.40-1,558,026.60-328,703.20

Finding the Fourth Proportional to 1,038,603.40, 1,558,026.60 and 328,703.20

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Solution

The fourth proportional to 1,038,603.40, 1,558,026.60 and 328,703.20 is: 493,093.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,603.40 : 1,558,026.60 = 328,703.20 : x
  2. Step 2: Convert to fraction form
    1,038,603.40/1,558,026.60 = 328,703.20/x
  3. Step 3: Cross multiply
    1,038,603.40x = 1,558,026.60 × 328,703.20
  4. Step 4: Simplify right side
    1,038,603.40x = 512,128,329,105.12
  5. Step 5: Solve for x
    x = 512,128,329,105.12/1,038,603.40
  6. Step 6: Final answer
    x = 493,093.25

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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.