Home / 1,318,101.80-1,977,152.70-609,513.80

Finding the Fourth Proportional to 1,318,101.80, 1,977,152.70 and 609,513.80

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Solution

The fourth proportional to 1,318,101.80, 1,977,152.70 and 609,513.80 is: 914,270.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,318,101.80 : 1,977,152.70 = 609,513.80 : x
  2. Step 2: Convert to fraction form
    1,318,101.80/1,977,152.70 = 609,513.80/x
  3. Step 3: Cross multiply
    1,318,101.80x = 1,977,152.70 × 609,513.80
  4. Step 4: Simplify right side
    1,318,101.80x = 1,205,101,855,357.26
  5. Step 5: Solve for x
    x = 1,205,101,855,357.26/1,318,101.80
  6. Step 6: Final answer
    x = 914,270.70

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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.