Home / 1,259,136.70-1,888,705.05-1,010,304.70

Finding the Fourth Proportional to 1,259,136.70, 1,888,705.05 and 1,010,304.70

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Solution

The fourth proportional to 1,259,136.70, 1,888,705.05 and 1,010,304.70 is: 1,515,457.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,136.70 : 1,888,705.05 = 1,010,304.70 : x
  2. Step 2: Convert to fraction form
    1,259,136.70/1,888,705.05 = 1,010,304.70/x
  3. Step 3: Cross multiply
    1,259,136.70x = 1,888,705.05 × 1,010,304.70
  4. Step 4: Simplify right side
    1,259,136.70x = 1,908,167,588,928.74
  5. Step 5: Solve for x
    x = 1,908,167,588,928.74/1,259,136.70
  6. Step 6: Final answer
    x = 1,515,457.05

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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.