Home / 970,869.40-1,458,053.70-939,376.60

Finding the Fourth Proportional to 970,869.40, 1,458,053.70 and 939,376.60

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Solution

The fourth proportional to 970,869.40, 1,458,053.70 and 939,376.60 is: 1,410,757.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,869.40 : 1,458,053.70 = 939,376.60 : x
  2. Step 2: Convert to fraction form
    970,869.40/1,458,053.70 = 939,376.60/x
  3. Step 3: Cross multiply
    970,869.40x = 1,458,053.70 × 939,376.60
  4. Step 4: Simplify right side
    970,869.40x = 1,369,661,527,323.42
  5. Step 5: Solve for x
    x = 1,369,661,527,323.42/970,869.40
  6. Step 6: Final answer
    x = 1,410,757.75

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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.