Home / 1,262,952.63-1,742,876.34-719,088.66

Finding the Fourth Proportional to 1,262,952.63, 1,742,876.34 and 719,088.66

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Solution

The fourth proportional to 1,262,952.63, 1,742,876.34 and 719,088.66 is: 992,343.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,262,952.63 : 1,742,876.34 = 719,088.66 : x
  2. Step 2: Convert to fraction form
    1,262,952.63/1,742,876.34 = 719,088.66/x
  3. Step 3: Cross multiply
    1,262,952.63x = 1,742,876.34 × 719,088.66
  4. Step 4: Simplify right side
    1,262,952.63x = 1,253,282,611,876.30
  5. Step 5: Solve for x
    x = 1,253,282,611,876.30/1,262,952.63
  6. Step 6: Final answer
    x = 992,343.32

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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.