Home / 1,559,868.47-2,152,729.91-862,134.32

Finding the Fourth Proportional to 1,559,868.47, 2,152,729.91 and 862,134.32

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Solution

The fourth proportional to 1,559,868.47, 2,152,729.91 and 862,134.32 is: 1,189,806.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,559,868.47 : 2,152,729.91 = 862,134.32 : x
  2. Step 2: Convert to fraction form
    1,559,868.47/2,152,729.91 = 862,134.32/x
  3. Step 3: Cross multiply
    1,559,868.47x = 2,152,729.91 × 862,134.32
  4. Step 4: Simplify right side
    1,559,868.47x = 1,855,942,322,027.19
  5. Step 5: Solve for x
    x = 1,855,942,322,027.19/1,559,868.47
  6. Step 6: Final answer
    x = 1,189,806.94

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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.