Home / 1,458,663.40-2,013,219.01-870,000.61

Finding the Fourth Proportional to 1,458,663.40, 2,013,219.01 and 870,000.61

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Solution

The fourth proportional to 1,458,663.40, 2,013,219.01 and 870,000.61 is: 1,200,758.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,458,663.40 : 2,013,219.01 = 870,000.61 : x
  2. Step 2: Convert to fraction form
    1,458,663.40/2,013,219.01 = 870,000.61/x
  3. Step 3: Cross multiply
    1,458,663.40x = 2,013,219.01 × 870,000.61
  4. Step 4: Simplify right side
    1,458,663.40x = 1,751,501,766,763.60
  5. Step 5: Solve for x
    x = 1,751,501,766,763.60/1,458,663.40
  6. Step 6: Final answer
    x = 1,200,758.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.