Home / 1,015,495.75-1,401,384.14-562,815.91

Finding the Fourth Proportional to 1,015,495.75, 1,401,384.14 and 562,815.91

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Solution

The fourth proportional to 1,015,495.75, 1,401,384.14 and 562,815.91 is: 776,685.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,015,495.75 : 1,401,384.14 = 562,815.91 : x
  2. Step 2: Convert to fraction form
    1,015,495.75/1,401,384.14 = 562,815.91/x
  3. Step 3: Cross multiply
    1,015,495.75x = 1,401,384.14 × 562,815.91
  4. Step 4: Simplify right side
    1,015,495.75x = 788,721,290,013.67
  5. Step 5: Solve for x
    x = 788,721,290,013.67/1,015,495.75
  6. Step 6: Final answer
    x = 776,685.96

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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.