Home / 1,318,908.96-1,820,436.48-746,281.26

Finding the Fourth Proportional to 1,318,908.96, 1,820,436.48 and 746,281.26

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Solution

The fourth proportional to 1,318,908.96, 1,820,436.48 and 746,281.26 is: 1,030,061.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,318,908.96 : 1,820,436.48 = 746,281.26 : x
  2. Step 2: Convert to fraction form
    1,318,908.96/1,820,436.48 = 746,281.26/x
  3. Step 3: Cross multiply
    1,318,908.96x = 1,820,436.48 × 746,281.26
  4. Step 4: Simplify right side
    1,318,908.96x = 1,358,557,630,044.36
  5. Step 5: Solve for x
    x = 1,358,557,630,044.36/1,318,908.96
  6. Step 6: Final answer
    x = 1,030,061.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.