Home / 1,545,381.96-2,132,754.77-857,275.67

Finding the Fourth Proportional to 1,545,381.96, 2,132,754.77 and 857,275.67

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Solution

The fourth proportional to 1,545,381.96, 2,132,754.77 and 857,275.67 is: 1,183,111.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,545,381.96 : 2,132,754.77 = 857,275.67 : x
  2. Step 2: Convert to fraction form
    1,545,381.96/2,132,754.77 = 857,275.67/x
  3. Step 3: Cross multiply
    1,545,381.96x = 2,132,754.77 × 857,275.67
  4. Step 4: Simplify right side
    1,545,381.96x = 1,828,358,764,009.79
  5. Step 5: Solve for x
    x = 1,828,358,764,009.79/1,545,381.96
  6. Step 6: Final answer
    x = 1,183,111.24

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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.