Home / 1,014,117.37-1,521,920.31-816,819.90

Finding the Fourth Proportional to 1,014,117.37, 1,521,920.31 and 816,819.90

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Solution

The fourth proportional to 1,014,117.37, 1,521,920.31 and 816,819.90 is: 1,225,829.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,014,117.37 : 1,521,920.31 = 816,819.90 : x
  2. Step 2: Convert to fraction form
    1,014,117.37/1,521,920.31 = 816,819.90/x
  3. Step 3: Cross multiply
    1,014,117.37x = 1,521,920.31 × 816,819.90
  4. Step 4: Simplify right side
    1,014,117.37x = 1,243,134,793,543.81
  5. Step 5: Solve for x
    x = 1,243,134,793,543.81/1,014,117.37
  6. Step 6: Final answer
    x = 1,225,829.31

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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.