Home / 1,209,247.89-1,813,873.19-310,697.07

Finding the Fourth Proportional to 1,209,247.89, 1,813,873.19 and 310,697.07

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Solution

The fourth proportional to 1,209,247.89, 1,813,873.19 and 310,697.07 is: 466,045.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,209,247.89 : 1,813,873.19 = 310,697.07 : x
  2. Step 2: Convert to fraction form
    1,209,247.89/1,813,873.19 = 310,697.07/x
  3. Step 3: Cross multiply
    1,209,247.89x = 1,813,873.19 × 310,697.07
  4. Step 4: Simplify right side
    1,209,247.89x = 563,565,085,484.55
  5. Step 5: Solve for x
    x = 563,565,085,484.55/1,209,247.89
  6. Step 6: Final answer
    x = 466,045.95

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Double scale
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Similar ratio
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1.5x scale

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.