Home / 1,355,557.70-2,030,624-815,514.64

Finding the Fourth Proportional to 1,355,557.70, 2,030,624 and 815,514.64

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Solution

The fourth proportional to 1,355,557.70, 2,030,624 and 815,514.64 is: 1,221,640.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,355,557.70 : 2,030,624 = 815,514.64 : x
  2. Step 2: Convert to fraction form
    1,355,557.70/2,030,624 = 815,514.64/x
  3. Step 3: Cross multiply
    1,355,557.70x = 2,030,624 × 815,514.64
  4. Step 4: Simplify right side
    1,355,557.70x = 1,656,003,600,335.36
  5. Step 5: Solve for x
    x = 1,656,003,600,335.36/1,355,557.70
  6. Step 6: Final answer
    x = 1,221,640.07

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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.