Home / 1,247,719.32-1,871,831.70-406,045.08

Finding the Fourth Proportional to 1,247,719.32, 1,871,831.70 and 406,045.08

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Solution

The fourth proportional to 1,247,719.32, 1,871,831.70 and 406,045.08 is: 609,149.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,247,719.32 : 1,871,831.70 = 406,045.08 : x
  2. Step 2: Convert to fraction form
    1,247,719.32/1,871,831.70 = 406,045.08/x
  3. Step 3: Cross multiply
    1,247,719.32x = 1,871,831.70 × 406,045.08
  4. Step 4: Simplify right side
    1,247,719.32x = 760,048,052,373.04
  5. Step 5: Solve for x
    x = 760,048,052,373.04/1,247,719.32
  6. Step 6: Final answer
    x = 609,149.86

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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.