Home / 1,262,964.08-1,742,889.48-719,071.76

Finding the Fourth Proportional to 1,262,964.08, 1,742,889.48 and 719,071.76

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Solution

The fourth proportional to 1,262,964.08, 1,742,889.48 and 719,071.76 is: 992,318.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,262,964.08 : 1,742,889.48 = 719,071.76 : x
  2. Step 2: Convert to fraction form
    1,262,964.08/1,742,889.48 = 719,071.76/x
  3. Step 3: Cross multiply
    1,262,964.08x = 1,742,889.48 × 719,071.76
  4. Step 4: Simplify right side
    1,262,964.08x = 1,253,262,605,869.08
  5. Step 5: Solve for x
    x = 1,253,262,605,869.08/1,262,964.08
  6. Step 6: Final answer
    x = 992,318.49

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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.