Home / 927,136.20-1,388,630.70-906,400.20

Finding the Fourth Proportional to 927,136.20, 1,388,630.70 and 906,400.20

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Solution

The fourth proportional to 927,136.20, 1,388,630.70 and 906,400.20 is: 1,357,573.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,136.20 : 1,388,630.70 = 906,400.20 : x
  2. Step 2: Convert to fraction form
    927,136.20/1,388,630.70 = 906,400.20/x
  3. Step 3: Cross multiply
    927,136.20x = 1,388,630.70 × 906,400.20
  4. Step 4: Simplify right side
    927,136.20x = 1,258,655,144,206.14
  5. Step 5: Solve for x
    x = 1,258,655,144,206.14/927,136.20
  6. Step 6: Final answer
    x = 1,357,573.08

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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.