Home / 1,355,902.08-1,871,138.88-752,288.64

Finding the Fourth Proportional to 1,355,902.08, 1,871,138.88 and 752,288.64

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Solution

The fourth proportional to 1,355,902.08, 1,871,138.88 and 752,288.64 is: 1,038,155.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,355,902.08 : 1,871,138.88 = 752,288.64 : x
  2. Step 2: Convert to fraction form
    1,355,902.08/1,871,138.88 = 752,288.64/x
  3. Step 3: Cross multiply
    1,355,902.08x = 1,871,138.88 × 752,288.64
  4. Step 4: Simplify right side
    1,355,902.08x = 1,407,636,523,286.32
  5. Step 5: Solve for x
    x = 1,407,636,523,286.32/1,355,902.08
  6. Step 6: Final answer
    x = 1,038,155.00

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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.