Home / 1,119,802.22-1,545,327.02-636,368.30

Finding the Fourth Proportional to 1,119,802.22, 1,545,327.02 and 636,368.30

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Solution

The fourth proportional to 1,119,802.22, 1,545,327.02 and 636,368.30 is: 878,188.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,119,802.22 : 1,545,327.02 = 636,368.30 : x
  2. Step 2: Convert to fraction form
    1,119,802.22/1,545,327.02 = 636,368.30/x
  3. Step 3: Cross multiply
    1,119,802.22x = 1,545,327.02 × 636,368.30
  4. Step 4: Simplify right side
    1,119,802.22x = 983,397,128,661.47
  5. Step 5: Solve for x
    x = 983,397,128,661.47/1,119,802.22
  6. Step 6: Final answer
    x = 878,188.23

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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.