Home / 1,152,145.23-1,728,218.03-310,697.07

Finding the Fourth Proportional to 1,152,145.23, 1,728,218.03 and 310,697.07

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Solution

The fourth proportional to 1,152,145.23, 1,728,218.03 and 310,697.07 is: 466,045.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,152,145.23 : 1,728,218.03 = 310,697.07 : x
  2. Step 2: Convert to fraction form
    1,152,145.23/1,728,218.03 = 310,697.07/x
  3. Step 3: Cross multiply
    1,152,145.23x = 1,728,218.03 × 310,697.07
  4. Step 4: Simplify right side
    1,152,145.23x = 536,952,276,688.69
  5. Step 5: Solve for x
    x = 536,952,276,688.69/1,152,145.23
  6. Step 6: Final answer
    x = 466,045.65

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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.