Home / 1,360,935.76-1,877,969.16-788,014.72

Finding the Fourth Proportional to 1,360,935.76, 1,877,969.16 and 788,014.72

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Solution

The fourth proportional to 1,360,935.76, 1,877,969.16 and 788,014.72 is: 1,087,389.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,360,935.76 : 1,877,969.16 = 788,014.72 : x
  2. Step 2: Convert to fraction form
    1,360,935.76/1,877,969.16 = 788,014.72/x
  3. Step 3: Cross multiply
    1,360,935.76x = 1,877,969.16 × 788,014.72
  4. Step 4: Simplify right side
    1,360,935.76x = 1,479,867,341,786.04
  5. Step 5: Solve for x
    x = 1,479,867,341,786.04/1,360,935.76
  6. Step 6: Final answer
    x = 1,087,389.56

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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.