Home / 1,240,888.96-1,857,827.76-1,011,826.72

Finding the Fourth Proportional to 1,240,888.96, 1,857,827.76 and 1,011,826.72

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Solution

The fourth proportional to 1,240,888.96, 1,857,827.76 and 1,011,826.72 is: 1,514,881.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,240,888.96 : 1,857,827.76 = 1,011,826.72 : x
  2. Step 2: Convert to fraction form
    1,240,888.96/1,857,827.76 = 1,011,826.72/x
  3. Step 3: Cross multiply
    1,240,888.96x = 1,857,827.76 × 1,011,826.72
  4. Step 4: Simplify right side
    1,240,888.96x = 1,879,799,768,725.75
  5. Step 5: Solve for x
    x = 1,879,799,768,725.75/1,240,888.96
  6. Step 6: Final answer
    x = 1,514,881.53

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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.