Home / 1,246,281.70-1,865,485.95-978,592.90

Finding the Fourth Proportional to 1,246,281.70, 1,865,485.95 and 978,592.90

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Solution

The fourth proportional to 1,246,281.70, 1,865,485.95 and 978,592.90 is: 1,464,798.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,246,281.70 : 1,865,485.95 = 978,592.90 : x
  2. Step 2: Convert to fraction form
    1,246,281.70/1,865,485.95 = 978,592.90/x
  3. Step 3: Cross multiply
    1,246,281.70x = 1,865,485.95 × 978,592.90
  4. Step 4: Simplify right side
    1,246,281.70x = 1,825,551,305,719.76
  5. Step 5: Solve for x
    x = 1,825,551,305,719.76/1,246,281.70
  6. Step 6: Final answer
    x = 1,464,798.29

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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.