Home / 1,559,351.80-2,339,027.70-761,145.40

Finding the Fourth Proportional to 1,559,351.80, 2,339,027.70 and 761,145.40

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Solution

The fourth proportional to 1,559,351.80, 2,339,027.70 and 761,145.40 is: 1,141,718.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,559,351.80 : 2,339,027.70 = 761,145.40 : x
  2. Step 2: Convert to fraction form
    1,559,351.80/2,339,027.70 = 761,145.40/x
  3. Step 3: Cross multiply
    1,559,351.80x = 2,339,027.70 × 761,145.40
  4. Step 4: Simplify right side
    1,559,351.80x = 1,780,340,174,327.58
  5. Step 5: Solve for x
    x = 1,780,340,174,327.58/1,559,351.80
  6. Step 6: Final answer
    x = 1,141,718.10

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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.