Home / 1,070,161.80-1,605,408.44-360,134.40

Finding the Fourth Proportional to 1,070,161.80, 1,605,408.44 and 360,134.40

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Solution

The fourth proportional to 1,070,161.80, 1,605,408.44 and 360,134.40 is: 540,257.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,070,161.80 : 1,605,408.44 = 360,134.40 : x
  2. Step 2: Convert to fraction form
    1,070,161.80/1,605,408.44 = 360,134.40/x
  3. Step 3: Cross multiply
    1,070,161.80x = 1,605,408.44 × 360,134.40
  4. Step 4: Simplify right side
    1,070,161.80x = 578,162,805,294.34
  5. Step 5: Solve for x
    x = 578,162,805,294.34/1,070,161.80
  6. Step 6: Final answer
    x = 540,257.38

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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.