Home / 1,434,924-1,980,195.12-831,661.92

Finding the Fourth Proportional to 1,434,924, 1,980,195.12 and 831,661.92

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Solution

The fourth proportional to 1,434,924, 1,980,195.12 and 831,661.92 is: 1,147,693.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,434,924 : 1,980,195.12 = 831,661.92 : x
  2. Step 2: Convert to fraction form
    1,434,924/1,980,195.12 = 831,661.92/x
  3. Step 3: Cross multiply
    1,434,924x = 1,980,195.12 × 831,661.92
  4. Step 4: Simplify right side
    1,434,924x = 1,646,852,875,473.83
  5. Step 5: Solve for x
    x = 1,646,852,875,473.83/1,434,924
  6. Step 6: Final answer
    x = 1,147,693.45

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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.