Home / 1,214,555.80-1,822,611.30-709,115.80

Finding the Fourth Proportional to 1,214,555.80, 1,822,611.30 and 709,115.80

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Solution

The fourth proportional to 1,214,555.80, 1,822,611.30 and 709,115.80 is: 1,064,127.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,214,555.80 : 1,822,611.30 = 709,115.80 : x
  2. Step 2: Convert to fraction form
    1,214,555.80/1,822,611.30 = 709,115.80/x
  3. Step 3: Cross multiply
    1,214,555.80x = 1,822,611.30 × 709,115.80
  4. Step 4: Simplify right side
    1,214,555.80x = 1,292,442,470,088.54
  5. Step 5: Solve for x
    x = 1,292,442,470,088.54/1,214,555.80
  6. Step 6: Final answer
    x = 1,064,127.70

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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.