Home / 1,243,246.86-1,864,870.56-822,424.32

Finding the Fourth Proportional to 1,243,246.86, 1,864,870.56 and 822,424.32

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Solution

The fourth proportional to 1,243,246.86, 1,864,870.56 and 822,424.32 is: 1,233,636.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,243,246.86 : 1,864,870.56 = 822,424.32 : x
  2. Step 2: Convert to fraction form
    1,243,246.86/1,864,870.56 = 822,424.32/x
  3. Step 3: Cross multiply
    1,243,246.86x = 1,864,870.56 × 822,424.32
  4. Step 4: Simplify right side
    1,243,246.86x = 1,533,714,902,196.02
  5. Step 5: Solve for x
    x = 1,533,714,902,196.02/1,243,246.86
  6. Step 6: Final answer
    x = 1,233,636.66

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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.