Home / 1,107,696.93-1,528,623.90-642,641.10

Finding the Fourth Proportional to 1,107,696.93, 1,528,623.90 and 642,641.10

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Solution

The fourth proportional to 1,107,696.93, 1,528,623.90 and 642,641.10 is: 886,845.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,696.93 : 1,528,623.90 = 642,641.10 : x
  2. Step 2: Convert to fraction form
    1,107,696.93/1,528,623.90 = 642,641.10/x
  3. Step 3: Cross multiply
    1,107,696.93x = 1,528,623.90 × 642,641.10
  4. Step 4: Simplify right side
    1,107,696.93x = 982,356,544,582.29
  5. Step 5: Solve for x
    x = 982,356,544,582.29/1,107,696.93
  6. Step 6: Final answer
    x = 886,845.96

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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.