Home / 1,167,148.87-1,611,994.04-784,511.35

Finding the Fourth Proportional to 1,167,148.87, 1,611,994.04 and 784,511.35

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Solution

The fourth proportional to 1,167,148.87, 1,611,994.04 and 784,511.35 is: 1,083,518.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,167,148.87 : 1,611,994.04 = 784,511.35 : x
  2. Step 2: Convert to fraction form
    1,167,148.87/1,611,994.04 = 784,511.35/x
  3. Step 3: Cross multiply
    1,167,148.87x = 1,611,994.04 × 784,511.35
  4. Step 4: Simplify right side
    1,167,148.87x = 1,264,627,620,512.35
  5. Step 5: Solve for x
    x = 1,264,627,620,512.35/1,167,148.87
  6. Step 6: Final answer
    x = 1,083,518.70

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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.