Home / 1,148,884-1,585,496.40-719,026.72

Finding the Fourth Proportional to 1,148,884, 1,585,496.40 and 719,026.72

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Solution

The fourth proportional to 1,148,884, 1,585,496.40 and 719,026.72 is: 992,279.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,148,884 : 1,585,496.40 = 719,026.72 : x
  2. Step 2: Convert to fraction form
    1,148,884/1,585,496.40 = 719,026.72/x
  3. Step 3: Cross multiply
    1,148,884x = 1,585,496.40 × 719,026.72
  4. Step 4: Simplify right side
    1,148,884x = 1,140,014,276,063.81
  5. Step 5: Solve for x
    x = 1,140,014,276,063.81/1,148,884
  6. Step 6: Final answer
    x = 992,279.70

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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.