Home / 1,037,143.80-1,555,715.70-978,094.80

Finding the Fourth Proportional to 1,037,143.80, 1,555,715.70 and 978,094.80

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Solution

The fourth proportional to 1,037,143.80, 1,555,715.70 and 978,094.80 is: 1,467,142.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,037,143.80 : 1,555,715.70 = 978,094.80 : x
  2. Step 2: Convert to fraction form
    1,037,143.80/1,555,715.70 = 978,094.80/x
  3. Step 3: Cross multiply
    1,037,143.80x = 1,555,715.70 × 978,094.80
  4. Step 4: Simplify right side
    1,037,143.80x = 1,521,637,436,448.36
  5. Step 5: Solve for x
    x = 1,521,637,436,448.36/1,037,143.80
  6. Step 6: Final answer
    x = 1,467,142.20

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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.