Home / 1,247,565.34-1,871,072.16-348,765.45

Finding the Fourth Proportional to 1,247,565.34, 1,871,072.16 and 348,765.45

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Solution

The fourth proportional to 1,247,565.34, 1,871,072.16 and 348,765.45 is: 523,071.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,247,565.34 : 1,871,072.16 = 348,765.45 : x
  2. Step 2: Convert to fraction form
    1,247,565.34/1,871,072.16 = 348,765.45/x
  3. Step 3: Cross multiply
    1,247,565.34x = 1,871,072.16 × 348,765.45
  4. Step 4: Simplify right side
    1,247,565.34x = 652,565,323,864.87
  5. Step 5: Solve for x
    x = 652,565,323,864.87/1,247,565.34
  6. Step 6: Final answer
    x = 523,071.06

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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.