Home / 1,150,342.02-1,586,436.03-720,659.70

Finding the Fourth Proportional to 1,150,342.02, 1,586,436.03 and 720,659.70

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Solution

The fourth proportional to 1,150,342.02, 1,586,436.03 and 720,659.70 is: 993,861.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,150,342.02 : 1,586,436.03 = 720,659.70 : x
  2. Step 2: Convert to fraction form
    1,150,342.02/1,586,436.03 = 720,659.70/x
  3. Step 3: Cross multiply
    1,150,342.02x = 1,586,436.03 × 720,659.70
  4. Step 4: Simplify right side
    1,150,342.02x = 1,143,280,513,448.99
  5. Step 5: Solve for x
    x = 1,143,280,513,448.99/1,150,342.02
  6. Step 6: Final answer
    x = 993,861.39

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Double scale
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1.5x scale

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.