Home / 1,221,124.74-1,683,210.96-962,582.46

Finding the Fourth Proportional to 1,221,124.74, 1,683,210.96 and 962,582.46

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Solution

The fourth proportional to 1,221,124.74, 1,683,210.96 and 962,582.46 is: 1,326,833.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,221,124.74 : 1,683,210.96 = 962,582.46 : x
  2. Step 2: Convert to fraction form
    1,221,124.74/1,683,210.96 = 962,582.46/x
  3. Step 3: Cross multiply
    1,221,124.74x = 1,683,210.96 × 962,582.46
  4. Step 4: Simplify right side
    1,221,124.74x = 1,620,229,346,575.76
  5. Step 5: Solve for x
    x = 1,620,229,346,575.76/1,221,124.74
  6. Step 6: Final answer
    x = 1,326,833.61

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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.