Home / 1,404,966.50-1,938,853.79-760,386.69

Finding the Fourth Proportional to 1,404,966.50, 1,938,853.79 and 760,386.69

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Solution

The fourth proportional to 1,404,966.50, 1,938,853.79 and 760,386.69 is: 1,049,333.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,404,966.50 : 1,938,853.79 = 760,386.69 : x
  2. Step 2: Convert to fraction form
    1,404,966.50/1,938,853.79 = 760,386.69/x
  3. Step 3: Cross multiply
    1,404,966.50x = 1,938,853.79 × 760,386.69
  4. Step 4: Simplify right side
    1,404,966.50x = 1,474,278,611,970.12
  5. Step 5: Solve for x
    x = 1,474,278,611,970.12/1,404,966.50
  6. Step 6: Final answer
    x = 1,049,333.64

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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.