Home / 913,249.72-1,260,637.86-817,590.16

Finding the Fourth Proportional to 913,249.72, 1,260,637.86 and 817,590.16

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Solution

The fourth proportional to 913,249.72, 1,260,637.86 and 817,590.16 is: 1,128,590.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,249.72 : 1,260,637.86 = 817,590.16 : x
  2. Step 2: Convert to fraction form
    913,249.72/1,260,637.86 = 817,590.16/x
  3. Step 3: Cross multiply
    913,249.72x = 1,260,637.86 × 817,590.16
  4. Step 4: Simplify right side
    913,249.72x = 1,030,685,109,659.46
  5. Step 5: Solve for x
    x = 1,030,685,109,659.46/913,249.72
  6. Step 6: Final answer
    x = 1,128,590.67

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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.