Home / 1,023,710-1,413,172.80-661,310.56

Finding the Fourth Proportional to 1,023,710, 1,413,172.80 and 661,310.56

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Solution

The fourth proportional to 1,023,710, 1,413,172.80 and 661,310.56 is: 912,901.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,023,710 : 1,413,172.80 = 661,310.56 : x
  2. Step 2: Convert to fraction form
    1,023,710/1,413,172.80 = 661,310.56/x
  3. Step 3: Cross multiply
    1,023,710x = 1,413,172.80 × 661,310.56
  4. Step 4: Simplify right side
    1,023,710x = 934,546,095,744.77
  5. Step 5: Solve for x
    x = 934,546,095,744.77/1,023,710
  6. Step 6: Final answer
    x = 912,901.21

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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.