Home / 1,007,166.36-1,389,888.54-554,457.72

Finding the Fourth Proportional to 1,007,166.36, 1,389,888.54 and 554,457.72

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Solution

The fourth proportional to 1,007,166.36, 1,389,888.54 and 554,457.72 is: 765,151.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,007,166.36 : 1,389,888.54 = 554,457.72 : x
  2. Step 2: Convert to fraction form
    1,007,166.36/1,389,888.54 = 554,457.72/x
  3. Step 3: Cross multiply
    1,007,166.36x = 1,389,888.54 × 554,457.72
  4. Step 4: Simplify right side
    1,007,166.36x = 770,634,430,942.53
  5. Step 5: Solve for x
    x = 770,634,430,942.53/1,007,166.36
  6. Step 6: Final answer
    x = 765,151.08

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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.