Home / 1,089,690.04-1,502,920.20-707,839.84

Finding the Fourth Proportional to 1,089,690.04, 1,502,920.20 and 707,839.84

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Solution

The fourth proportional to 1,089,690.04, 1,502,920.20 and 707,839.84 is: 976,265.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,089,690.04 : 1,502,920.20 = 707,839.84 : x
  2. Step 2: Convert to fraction form
    1,089,690.04/1,502,920.20 = 707,839.84/x
  3. Step 3: Cross multiply
    1,089,690.04x = 1,502,920.20 × 707,839.84
  4. Step 4: Simplify right side
    1,089,690.04x = 1,063,826,793,900.77
  5. Step 5: Solve for x
    x = 1,063,826,793,900.77/1,089,690.04
  6. Step 6: Final answer
    x = 976,265.50

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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.