Home / 1,520,503.08-2,098,529.81-867,130.48

Finding the Fourth Proportional to 1,520,503.08, 2,098,529.81 and 867,130.48

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Solution

The fourth proportional to 1,520,503.08, 2,098,529.81 and 867,130.48 is: 1,196,774.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,520,503.08 : 2,098,529.81 = 867,130.48 : x
  2. Step 2: Convert to fraction form
    1,520,503.08/2,098,529.81 = 867,130.48/x
  3. Step 3: Cross multiply
    1,520,503.08x = 2,098,529.81 × 867,130.48
  4. Step 4: Simplify right side
    1,520,503.08x = 1,819,699,161,439.61
  5. Step 5: Solve for x
    x = 1,819,699,161,439.61/1,520,503.08
  6. Step 6: Final answer
    x = 1,196,774.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.