Home / 1,430,896.80-2,146,345.20-864,026.40

Finding the Fourth Proportional to 1,430,896.80, 2,146,345.20 and 864,026.40

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Solution

The fourth proportional to 1,430,896.80, 2,146,345.20 and 864,026.40 is: 1,296,039.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,430,896.80 : 2,146,345.20 = 864,026.40 : x
  2. Step 2: Convert to fraction form
    1,430,896.80/2,146,345.20 = 864,026.40/x
  3. Step 3: Cross multiply
    1,430,896.80x = 2,146,345.20 × 864,026.40
  4. Step 4: Simplify right side
    1,430,896.80x = 1,854,498,916,313.28
  5. Step 5: Solve for x
    x = 1,854,498,916,313.28/1,430,896.80
  6. Step 6: Final answer
    x = 1,296,039.60

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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.