Home / 1,139,918.18-1,710,348.08-499,890.60

Finding the Fourth Proportional to 1,139,918.18, 1,710,348.08 and 499,890.60

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Solution

The fourth proportional to 1,139,918.18, 1,710,348.08 and 499,890.60 is: 750,042.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,139,918.18 : 1,710,348.08 = 499,890.60 : x
  2. Step 2: Convert to fraction form
    1,139,918.18/1,710,348.08 = 499,890.60/x
  3. Step 3: Cross multiply
    1,139,918.18x = 1,710,348.08 × 499,890.60
  4. Step 4: Simplify right side
    1,139,918.18x = 854,986,925,420.60
  5. Step 5: Solve for x
    x = 854,986,925,420.60/1,139,918.18
  6. Step 6: Final answer
    x = 750,042.37

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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.