Home / 1,574,551.82-2,361,812.16-721,381.40

Finding the Fourth Proportional to 1,574,551.82, 2,361,812.16 and 721,381.40

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Solution

The fourth proportional to 1,574,551.82, 2,361,812.16 and 721,381.40 is: 1,082,064.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,574,551.82 : 2,361,812.16 = 721,381.40 : x
  2. Step 2: Convert to fraction form
    1,574,551.82/2,361,812.16 = 721,381.40/x
  3. Step 3: Cross multiply
    1,574,551.82x = 2,361,812.16 × 721,381.40
  4. Step 4: Simplify right side
    1,574,551.82x = 1,703,767,362,517.82
  5. Step 5: Solve for x
    x = 1,703,767,362,517.82/1,574,551.82
  6. Step 6: Final answer
    x = 1,082,064.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.