Home / 1,302,148.05-1,956,215.55-918,779.27

Finding the Fourth Proportional to 1,302,148.05, 1,956,215.55 and 918,779.27

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Solution

The fourth proportional to 1,302,148.05, 1,956,215.55 and 918,779.27 is: 1,380,281.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,302,148.05 : 1,956,215.55 = 918,779.27 : x
  2. Step 2: Convert to fraction form
    1,302,148.05/1,956,215.55 = 918,779.27/x
  3. Step 3: Cross multiply
    1,302,148.05x = 1,956,215.55 × 918,779.27
  4. Step 4: Simplify right side
    1,302,148.05x = 1,797,330,285,210.57
  5. Step 5: Solve for x
    x = 1,797,330,285,210.57/1,302,148.05
  6. Step 6: Final answer
    x = 1,380,281.06

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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.