Home / 1,191,377.60-1,787,066.40-1,069,726.40

Finding the Fourth Proportional to 1,191,377.60, 1,787,066.40 and 1,069,726.40

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Solution

The fourth proportional to 1,191,377.60, 1,787,066.40 and 1,069,726.40 is: 1,604,589.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191,377.60 : 1,787,066.40 = 1,069,726.40 : x
  2. Step 2: Convert to fraction form
    1,191,377.60/1,787,066.40 = 1,069,726.40/x
  3. Step 3: Cross multiply
    1,191,377.60x = 1,787,066.40 × 1,069,726.40
  4. Step 4: Simplify right side
    1,191,377.60x = 1,911,672,106,632.96
  5. Step 5: Solve for x
    x = 1,911,672,106,632.96/1,191,377.60
  6. Step 6: Final answer
    x = 1,604,589.60

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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.