Home / 1,500,928.38-2,071,281.58-812,600.10

Finding the Fourth Proportional to 1,500,928.38, 2,071,281.58 and 812,600.10

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Solution

The fourth proportional to 1,500,928.38, 2,071,281.58 and 812,600.10 is: 1,121,388.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,500,928.38 : 2,071,281.58 = 812,600.10 : x
  2. Step 2: Convert to fraction form
    1,500,928.38/2,071,281.58 = 812,600.10/x
  3. Step 3: Cross multiply
    1,500,928.38x = 2,071,281.58 × 812,600.10
  4. Step 4: Simplify right side
    1,500,928.38x = 1,683,123,617,004.66
  5. Step 5: Solve for x
    x = 1,683,123,617,004.66/1,500,928.38
  6. Step 6: Final answer
    x = 1,121,388.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.