Home / 1,070,158.78-1,605,403.95-360,131.41

Finding the Fourth Proportional to 1,070,158.78, 1,605,403.95 and 360,131.41

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Solution

The fourth proportional to 1,070,158.78, 1,605,403.95 and 360,131.41 is: 540,252.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,070,158.78 : 1,605,403.95 = 360,131.41 : x
  2. Step 2: Convert to fraction form
    1,070,158.78/1,605,403.95 = 360,131.41/x
  3. Step 3: Cross multiply
    1,070,158.78x = 1,605,403.95 × 360,131.41
  4. Step 4: Simplify right side
    1,070,158.78x = 578,156,388,133.07
  5. Step 5: Solve for x
    x = 578,156,388,133.07/1,070,158.78
  6. Step 6: Final answer
    x = 540,252.90

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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.