Home / 1,510,581.72-2,084,602.76-831,518.22

Finding the Fourth Proportional to 1,510,581.72, 2,084,602.76 and 831,518.22

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Solution

The fourth proportional to 1,510,581.72, 2,084,602.76 and 831,518.22 is: 1,147,495.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,510,581.72 : 2,084,602.76 = 831,518.22 : x
  2. Step 2: Convert to fraction form
    1,510,581.72/2,084,602.76 = 831,518.22/x
  3. Step 3: Cross multiply
    1,510,581.72x = 2,084,602.76 × 831,518.22
  4. Step 4: Simplify right side
    1,510,581.72x = 1,733,385,172,244.70
  5. Step 5: Solve for x
    x = 1,733,385,172,244.70/1,510,581.72
  6. Step 6: Final answer
    x = 1,147,495.13

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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.