Home / 1,510,478.61-2,084,461.07-831,410.25

Finding the Fourth Proportional to 1,510,478.61, 2,084,461.07 and 831,410.25

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Solution

The fourth proportional to 1,510,478.61, 2,084,461.07 and 831,410.25 is: 1,147,346.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,510,478.61 : 2,084,461.07 = 831,410.25 : x
  2. Step 2: Convert to fraction form
    1,510,478.61/2,084,461.07 = 831,410.25/x
  3. Step 3: Cross multiply
    1,510,478.61x = 2,084,461.07 × 831,410.25
  4. Step 4: Simplify right side
    1,510,478.61x = 1,733,042,295,166.92
  5. Step 5: Solve for x
    x = 1,733,042,295,166.92/1,510,478.61
  6. Step 6: Final answer
    x = 1,147,346.47

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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.