Home / 1,448,994.80-2,173,492.20-917,116.40

Finding the Fourth Proportional to 1,448,994.80, 2,173,492.20 and 917,116.40

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Solution

The fourth proportional to 1,448,994.80, 2,173,492.20 and 917,116.40 is: 1,375,674.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,448,994.80 : 2,173,492.20 = 917,116.40 : x
  2. Step 2: Convert to fraction form
    1,448,994.80/2,173,492.20 = 917,116.40/x
  3. Step 3: Cross multiply
    1,448,994.80x = 2,173,492.20 × 917,116.40
  4. Step 4: Simplify right side
    1,448,994.80x = 1,993,345,341,892.08
  5. Step 5: Solve for x
    x = 1,993,345,341,892.08/1,448,994.80
  6. Step 6: Final answer
    x = 1,375,674.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.