Home / 1,231,409.80-1,848,281.10-759,017.80

Finding the Fourth Proportional to 1,231,409.80, 1,848,281.10 and 759,017.80

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Solution

The fourth proportional to 1,231,409.80, 1,848,281.10 and 759,017.80 is: 1,139,245.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,231,409.80 : 1,848,281.10 = 759,017.80 : x
  2. Step 2: Convert to fraction form
    1,231,409.80/1,848,281.10 = 759,017.80/x
  3. Step 3: Cross multiply
    1,231,409.80x = 1,848,281.10 × 759,017.80
  4. Step 4: Simplify right side
    1,231,409.80x = 1,402,878,254,303.58
  5. Step 5: Solve for x
    x = 1,402,878,254,303.58/1,231,409.80
  6. Step 6: Final answer
    x = 1,139,245.65

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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.