Home / 1,262,427.98-1,742,161.70-718,598.76

Finding the Fourth Proportional to 1,262,427.98, 1,742,161.70 and 718,598.76

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Solution

The fourth proportional to 1,262,427.98, 1,742,161.70 and 718,598.76 is: 991,672.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,262,427.98 : 1,742,161.70 = 718,598.76 : x
  2. Step 2: Convert to fraction form
    1,262,427.98/1,742,161.70 = 718,598.76/x
  3. Step 3: Cross multiply
    1,262,427.98x = 1,742,161.70 × 718,598.76
  4. Step 4: Simplify right side
    1,262,427.98x = 1,251,915,233,746.50
  5. Step 5: Solve for x
    x = 1,251,915,233,746.50/1,262,427.98
  6. Step 6: Final answer
    x = 991,672.60

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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.