Home / 1,288,051.58-1,777,430.33-707,270.65

Finding the Fourth Proportional to 1,288,051.58, 1,777,430.33 and 707,270.65

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Solution

The fourth proportional to 1,288,051.58, 1,777,430.33 and 707,270.65 is: 975,989.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,288,051.58 : 1,777,430.33 = 707,270.65 : x
  2. Step 2: Convert to fraction form
    1,288,051.58/1,777,430.33 = 707,270.65/x
  3. Step 3: Cross multiply
    1,288,051.58x = 1,777,430.33 × 707,270.65
  4. Step 4: Simplify right side
    1,288,051.58x = 1,257,124,300,355.18
  5. Step 5: Solve for x
    x = 1,257,124,300,355.18/1,288,051.58
  6. Step 6: Final answer
    x = 975,989.10

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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.