Home / 903,810.78-1,246,124.03-661,672.98

Finding the Fourth Proportional to 903,810.78, 1,246,124.03 and 661,672.98

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Solution

The fourth proportional to 903,810.78, 1,246,124.03 and 661,672.98 is: 912,277.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,810.78 : 1,246,124.03 = 661,672.98 : x
  2. Step 2: Convert to fraction form
    903,810.78/1,246,124.03 = 661,672.98/x
  3. Step 3: Cross multiply
    903,810.78x = 1,246,124.03 × 661,672.98
  4. Step 4: Simplify right side
    903,810.78x = 824,526,600,379.71
  5. Step 5: Solve for x
    x = 824,526,600,379.71/903,810.78
  6. Step 6: Final answer
    x = 912,277.90

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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.