Home / 1,106,135.39-1,658,834.03-432,041.85

Finding the Fourth Proportional to 1,106,135.39, 1,658,834.03 and 432,041.85

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Solution

The fourth proportional to 1,106,135.39, 1,658,834.03 and 432,041.85 is: 647,918.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,106,135.39 : 1,658,834.03 = 432,041.85 : x
  2. Step 2: Convert to fraction form
    1,106,135.39/1,658,834.03 = 432,041.85/x
  3. Step 3: Cross multiply
    1,106,135.39x = 1,658,834.03 × 432,041.85
  4. Step 4: Simplify right side
    1,106,135.39x = 716,685,724,244.26
  5. Step 5: Solve for x
    x = 716,685,724,244.26/1,106,135.39
  6. Step 6: Final answer
    x = 647,918.63

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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.