Home / 1,335,422.96-1,842,961.64-754,631.28

Finding the Fourth Proportional to 1,335,422.96, 1,842,961.64 and 754,631.28

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Solution

The fourth proportional to 1,335,422.96, 1,842,961.64 and 754,631.28 is: 1,041,435.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,335,422.96 : 1,842,961.64 = 754,631.28 : x
  2. Step 2: Convert to fraction form
    1,335,422.96/1,842,961.64 = 754,631.28/x
  3. Step 3: Cross multiply
    1,335,422.96x = 1,842,961.64 × 754,631.28
  4. Step 4: Simplify right side
    1,335,422.96x = 1,390,756,501,384.10
  5. Step 5: Solve for x
    x = 1,390,756,501,384.10/1,335,422.96
  6. Step 6: Final answer
    x = 1,041,435.22

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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.