Home / 1,221,210.98-1,685,472.94-677,521.93

Finding the Fourth Proportional to 1,221,210.98, 1,685,472.94 and 677,521.93

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Solution

The fourth proportional to 1,221,210.98, 1,685,472.94 and 677,521.93 is: 935,092.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,221,210.98 : 1,685,472.94 = 677,521.93 : x
  2. Step 2: Convert to fraction form
    1,221,210.98/1,685,472.94 = 677,521.93/x
  3. Step 3: Cross multiply
    1,221,210.98x = 1,685,472.94 × 677,521.93
  4. Step 4: Simplify right side
    1,221,210.98x = 1,141,944,875,883.96
  5. Step 5: Solve for x
    x = 1,141,944,875,883.96/1,221,210.98
  6. Step 6: Final answer
    x = 935,092.21

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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.