Home / 1,501,562.07-2,072,156.54-822,509.91

Finding the Fourth Proportional to 1,501,562.07, 2,072,156.54 and 822,509.91

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Solution

The fourth proportional to 1,501,562.07, 2,072,156.54 and 822,509.91 is: 1,135,064.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,501,562.07 : 2,072,156.54 = 822,509.91 : x
  2. Step 2: Convert to fraction form
    1,501,562.07/2,072,156.54 = 822,509.91/x
  3. Step 3: Cross multiply
    1,501,562.07x = 2,072,156.54 × 822,509.91
  4. Step 4: Simplify right side
    1,501,562.07x = 1,704,369,285,108.76
  5. Step 5: Solve for x
    x = 1,704,369,285,108.76/1,501,562.07
  6. Step 6: Final answer
    x = 1,135,064.16

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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.