Home / 1,214,171.52-1,821,454.80-456,072

Finding the Fourth Proportional to 1,214,171.52, 1,821,454.80 and 456,072

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Solution

The fourth proportional to 1,214,171.52, 1,821,454.80 and 456,072 is: 684,182.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,214,171.52 : 1,821,454.80 = 456,072 : x
  2. Step 2: Convert to fraction form
    1,214,171.52/1,821,454.80 = 456,072/x
  3. Step 3: Cross multiply
    1,214,171.52x = 1,821,454.80 × 456,072
  4. Step 4: Simplify right side
    1,214,171.52x = 830,714,533,545.60
  5. Step 5: Solve for x
    x = 830,714,533,545.60/1,214,171.52
  6. Step 6: Final answer
    x = 684,182.19

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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.