Home / 1,111,291.92-1,667,036.04-312,580.08

Finding the Fourth Proportional to 1,111,291.92, 1,667,036.04 and 312,580.08

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Solution

The fourth proportional to 1,111,291.92, 1,667,036.04 and 312,580.08 is: 468,897.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,111,291.92 : 1,667,036.04 = 312,580.08 : x
  2. Step 2: Convert to fraction form
    1,111,291.92/1,667,036.04 = 312,580.08/x
  3. Step 3: Cross multiply
    1,111,291.92x = 1,667,036.04 × 312,580.08
  4. Step 4: Simplify right side
    1,111,291.92x = 521,082,258,746.08
  5. Step 5: Solve for x
    x = 521,082,258,746.08/1,111,291.92
  6. Step 6: Final answer
    x = 468,897.73

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1.5x scale

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.