Home / 1,247,038.60-1,871,108.70-606,987.40

Finding the Fourth Proportional to 1,247,038.60, 1,871,108.70 and 606,987.40

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Solution

The fourth proportional to 1,247,038.60, 1,871,108.70 and 606,987.40 is: 910,749.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,247,038.60 : 1,871,108.70 = 606,987.40 : x
  2. Step 2: Convert to fraction form
    1,247,038.60/1,871,108.70 = 606,987.40/x
  3. Step 3: Cross multiply
    1,247,038.60x = 1,871,108.70 × 606,987.40
  4. Step 4: Simplify right side
    1,247,038.60x = 1,135,739,404,930.38
  5. Step 5: Solve for x
    x = 1,135,739,404,930.38/1,247,038.60
  6. Step 6: Final answer
    x = 910,749.20

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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.