Home / 926,511.94-1,387,957.94-638,272.73

Finding the Fourth Proportional to 926,511.94, 1,387,957.94 and 638,272.73

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Solution

The fourth proportional to 926,511.94, 1,387,957.94 and 638,272.73 is: 956,162.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,511.94 : 1,387,957.94 = 638,272.73 : x
  2. Step 2: Convert to fraction form
    926,511.94/1,387,957.94 = 638,272.73/x
  3. Step 3: Cross multiply
    926,511.94x = 1,387,957.94 × 638,272.73
  4. Step 4: Simplify right side
    926,511.94x = 885,895,703,767.51
  5. Step 5: Solve for x
    x = 885,895,703,767.51/926,511.94
  6. Step 6: Final answer
    x = 956,162.21

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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.