Home / 1,135,603.80-1,704,061.80-425,703.60

Finding the Fourth Proportional to 1,135,603.80, 1,704,061.80 and 425,703.60

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Solution

The fourth proportional to 1,135,603.80, 1,704,061.80 and 425,703.60 is: 638,801.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,135,603.80 : 1,704,061.80 = 425,703.60 : x
  2. Step 2: Convert to fraction form
    1,135,603.80/1,704,061.80 = 425,703.60/x
  3. Step 3: Cross multiply
    1,135,603.80x = 1,704,061.80 × 425,703.60
  4. Step 4: Simplify right side
    1,135,603.80x = 725,425,242,882.48
  5. Step 5: Solve for x
    x = 725,425,242,882.48/1,135,603.80
  6. Step 6: Final answer
    x = 638,801.35

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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.