Home / 1,318,323.60-1,977,485.40-608,141.52

Finding the Fourth Proportional to 1,318,323.60, 1,977,485.40 and 608,141.52

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Solution

The fourth proportional to 1,318,323.60, 1,977,485.40 and 608,141.52 is: 912,212.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,318,323.60 : 1,977,485.40 = 608,141.52 : x
  2. Step 2: Convert to fraction form
    1,318,323.60/1,977,485.40 = 608,141.52/x
  3. Step 3: Cross multiply
    1,318,323.60x = 1,977,485.40 × 608,141.52
  4. Step 4: Simplify right side
    1,318,323.60x = 1,202,590,976,933.81
  5. Step 5: Solve for x
    x = 1,202,590,976,933.81/1,318,323.60
  6. Step 6: Final answer
    x = 912,212.28

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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.