Home / 1,106,772.40-1,660,158.60-920,148.40

Finding the Fourth Proportional to 1,106,772.40, 1,660,158.60 and 920,148.40

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Solution

The fourth proportional to 1,106,772.40, 1,660,158.60 and 920,148.40 is: 1,380,222.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,106,772.40 : 1,660,158.60 = 920,148.40 : x
  2. Step 2: Convert to fraction form
    1,106,772.40/1,660,158.60 = 920,148.40/x
  3. Step 3: Cross multiply
    1,106,772.40x = 1,660,158.60 × 920,148.40
  4. Step 4: Simplify right side
    1,106,772.40x = 1,527,592,279,536.24
  5. Step 5: Solve for x
    x = 1,527,592,279,536.24/1,106,772.40
  6. Step 6: Final answer
    x = 1,380,222.60

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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.