Home / 1,145,392.08-1,580,597.80-636,127.28

Finding the Fourth Proportional to 1,145,392.08, 1,580,597.80 and 636,127.28

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Solution

The fourth proportional to 1,145,392.08, 1,580,597.80 and 636,127.28 is: 877,831.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,145,392.08 : 1,580,597.80 = 636,127.28 : x
  2. Step 2: Convert to fraction form
    1,145,392.08/1,580,597.80 = 636,127.28/x
  3. Step 3: Cross multiply
    1,145,392.08x = 1,580,597.80 × 636,127.28
  4. Step 4: Simplify right side
    1,145,392.08x = 1,005,461,379,287.98
  5. Step 5: Solve for x
    x = 1,005,461,379,287.98/1,145,392.08
  6. Step 6: Final answer
    x = 877,831.61

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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.