Home / 1,652,918.10-2,480,835.15-978,155.70

Finding the Fourth Proportional to 1,652,918.10, 2,480,835.15 and 978,155.70

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Solution

The fourth proportional to 1,652,918.10, 2,480,835.15 and 978,155.70 is: 1,468,096.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,652,918.10 : 2,480,835.15 = 978,155.70 : x
  2. Step 2: Convert to fraction form
    1,652,918.10/2,480,835.15 = 978,155.70/x
  3. Step 3: Cross multiply
    1,652,918.10x = 2,480,835.15 × 978,155.70
  4. Step 4: Simplify right side
    1,652,918.10x = 2,426,643,042,732.86
  5. Step 5: Solve for x
    x = 2,426,643,042,732.86/1,652,918.10
  6. Step 6: Final answer
    x = 1,468,096.36

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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.