Home / 1,109,066.40-1,662,287.40-469,368.90

Finding the Fourth Proportional to 1,109,066.40, 1,662,287.40 and 469,368.90

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Solution

The fourth proportional to 1,109,066.40, 1,662,287.40 and 469,368.90 is: 703,498.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,109,066.40 : 1,662,287.40 = 469,368.90 : x
  2. Step 2: Convert to fraction form
    1,109,066.40/1,662,287.40 = 469,368.90/x
  3. Step 3: Cross multiply
    1,109,066.40x = 1,662,287.40 × 469,368.90
  4. Step 4: Simplify right side
    1,109,066.40x = 780,226,008,421.86
  5. Step 5: Solve for x
    x = 780,226,008,421.86/1,109,066.40
  6. Step 6: Final answer
    x = 703,498.01

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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.