Home / 1,377,485.07-1,900,837.17-765,598.11

Finding the Fourth Proportional to 1,377,485.07, 1,900,837.17 and 765,598.11

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Solution

The fourth proportional to 1,377,485.07, 1,900,837.17 and 765,598.11 is: 1,056,474.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,377,485.07 : 1,900,837.17 = 765,598.11 : x
  2. Step 2: Convert to fraction form
    1,377,485.07/1,900,837.17 = 765,598.11/x
  3. Step 3: Cross multiply
    1,377,485.07x = 1,900,837.17 × 765,598.11
  4. Step 4: Simplify right side
    1,377,485.07x = 1,455,277,344,769.75
  5. Step 5: Solve for x
    x = 1,455,277,344,769.75/1,377,485.07
  6. Step 6: Final answer
    x = 1,056,474.13

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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.