Home / 1,239,131.93-1,858,340.61-340,602.98

Finding the Fourth Proportional to 1,239,131.93, 1,858,340.61 and 340,602.98

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Solution

The fourth proportional to 1,239,131.93, 1,858,340.61 and 340,602.98 is: 510,806.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,239,131.93 : 1,858,340.61 = 340,602.98 : x
  2. Step 2: Convert to fraction form
    1,239,131.93/1,858,340.61 = 340,602.98/x
  3. Step 3: Cross multiply
    1,239,131.93x = 1,858,340.61 × 340,602.98
  4. Step 4: Simplify right side
    1,239,131.93x = 632,956,340,329.32
  5. Step 5: Solve for x
    x = 632,956,340,329.32/1,239,131.93
  6. Step 6: Final answer
    x = 510,806.26

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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.