Home / 1,070,162.80-1,605,409.94-360,135.40

Finding the Fourth Proportional to 1,070,162.80, 1,605,409.94 and 360,135.40

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Solution

The fourth proportional to 1,070,162.80, 1,605,409.94 and 360,135.40 is: 540,258.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,070,162.80 : 1,605,409.94 = 360,135.40 : x
  2. Step 2: Convert to fraction form
    1,070,162.80/1,605,409.94 = 360,135.40/x
  3. Step 3: Cross multiply
    1,070,162.80x = 1,605,409.94 × 360,135.40
  4. Step 4: Simplify right side
    1,070,162.80x = 578,164,950,905.88
  5. Step 5: Solve for x
    x = 578,164,950,905.88/1,070,162.80
  6. Step 6: Final answer
    x = 540,258.88

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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.