Home / 1,687,154.28-2,530,731.44-740,533.20

Finding the Fourth Proportional to 1,687,154.28, 2,530,731.44 and 740,533.20

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Solution

The fourth proportional to 1,687,154.28, 2,530,731.44 and 740,533.20 is: 1,110,799.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,687,154.28 : 2,530,731.44 = 740,533.20 : x
  2. Step 2: Convert to fraction form
    1,687,154.28/2,530,731.44 = 740,533.20/x
  3. Step 3: Cross multiply
    1,687,154.28x = 2,530,731.44 × 740,533.20
  4. Step 4: Simplify right side
    1,687,154.28x = 1,874,090,651,603.81
  5. Step 5: Solve for x
    x = 1,874,090,651,603.81/1,687,154.28
  6. Step 6: Final answer
    x = 1,110,799.81

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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.