Home / 1,276,643.38-1,914,591.40-1,051,445.26

Finding the Fourth Proportional to 1,276,643.38, 1,914,591.40 and 1,051,445.26

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Solution

The fourth proportional to 1,276,643.38, 1,914,591.40 and 1,051,445.26 is: 1,576,860.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,276,643.38 : 1,914,591.40 = 1,051,445.26 : x
  2. Step 2: Convert to fraction form
    1,276,643.38/1,914,591.40 = 1,051,445.26/x
  3. Step 3: Cross multiply
    1,276,643.38x = 1,914,591.40 × 1,051,445.26
  4. Step 4: Simplify right side
    1,276,643.38x = 2,013,088,041,361.81
  5. Step 5: Solve for x
    x = 2,013,088,041,361.81/1,276,643.38
  6. Step 6: Final answer
    x = 1,576,860.13

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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.