Home / 1,078,763.22-1,609,303.04-1,049,441.70

Finding the Fourth Proportional to 1,078,763.22, 1,609,303.04 and 1,049,441.70

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Solution

The fourth proportional to 1,078,763.22, 1,609,303.04 and 1,049,441.70 is: 1,565,561.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,078,763.22 : 1,609,303.04 = 1,049,441.70 : x
  2. Step 2: Convert to fraction form
    1,078,763.22/1,609,303.04 = 1,049,441.70/x
  3. Step 3: Cross multiply
    1,078,763.22x = 1,609,303.04 × 1,049,441.70
  4. Step 4: Simplify right side
    1,078,763.22x = 1,688,869,712,865.56
  5. Step 5: Solve for x
    x = 1,688,869,712,865.56/1,078,763.22
  6. Step 6: Final answer
    x = 1,565,561.08

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.