Home / 979,357.60-1,469,036.40-973,136.80

Finding the Fourth Proportional to 979,357.60, 1,469,036.40 and 973,136.80

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Solution

The fourth proportional to 979,357.60, 1,469,036.40 and 973,136.80 is: 1,459,705.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,357.60 : 1,469,036.40 = 973,136.80 : x
  2. Step 2: Convert to fraction form
    979,357.60/1,469,036.40 = 973,136.80/x
  3. Step 3: Cross multiply
    979,357.60x = 1,469,036.40 × 973,136.80
  4. Step 4: Simplify right side
    979,357.60x = 1,429,573,381,379.52
  5. Step 5: Solve for x
    x = 1,429,573,381,379.52/979,357.60
  6. Step 6: Final answer
    x = 1,459,705.20

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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.