Home / 1,115,337.60-1,673,006.40-802,742.40

Finding the Fourth Proportional to 1,115,337.60, 1,673,006.40 and 802,742.40

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Solution

The fourth proportional to 1,115,337.60, 1,673,006.40 and 802,742.40 is: 1,204,113.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,115,337.60 : 1,673,006.40 = 802,742.40 : x
  2. Step 2: Convert to fraction form
    1,115,337.60/1,673,006.40 = 802,742.40/x
  3. Step 3: Cross multiply
    1,115,337.60x = 1,673,006.40 × 802,742.40
  4. Step 4: Simplify right side
    1,115,337.60x = 1,342,993,172,751.36
  5. Step 5: Solve for x
    x = 1,342,993,172,751.36/1,115,337.60
  6. Step 6: Final answer
    x = 1,204,113.60

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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.