Home / 1,470,685.89-2,206,030.56-459,813.15

Finding the Fourth Proportional to 1,470,685.89, 2,206,030.56 and 459,813.15

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Solution

The fourth proportional to 1,470,685.89, 2,206,030.56 and 459,813.15 is: 689,720.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,470,685.89 : 2,206,030.56 = 459,813.15 : x
  2. Step 2: Convert to fraction form
    1,470,685.89/2,206,030.56 = 459,813.15/x
  3. Step 3: Cross multiply
    1,470,685.89x = 2,206,030.56 × 459,813.15
  4. Step 4: Simplify right side
    1,470,685.89x = 1,014,361,860,789.86
  5. Step 5: Solve for x
    x = 1,014,361,860,789.86/1,470,685.89
  6. Step 6: Final answer
    x = 689,720.26

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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.