Home / 1,318,321.35-1,977,482.03-608,139.27

Finding the Fourth Proportional to 1,318,321.35, 1,977,482.03 and 608,139.27

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Solution

The fourth proportional to 1,318,321.35, 1,977,482.03 and 608,139.27 is: 912,208.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,318,321.35 : 1,977,482.03 = 608,139.27 : x
  2. Step 2: Convert to fraction form
    1,318,321.35/1,977,482.03 = 608,139.27/x
  3. Step 3: Cross multiply
    1,318,321.35x = 1,977,482.03 × 608,139.27
  4. Step 4: Simplify right side
    1,318,321.35x = 1,202,584,478,162.32
  5. Step 5: Solve for x
    x = 1,202,584,478,162.32/1,318,321.35
  6. Step 6: Final answer
    x = 912,208.91

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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.