Home / 1,619,088.90-2,430,102.15-820,925.70

Finding the Fourth Proportional to 1,619,088.90, 2,430,102.15 and 820,925.70

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Solution

The fourth proportional to 1,619,088.90, 2,430,102.15 and 820,925.70 is: 1,232,133.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,619,088.90 : 2,430,102.15 = 820,925.70 : x
  2. Step 2: Convert to fraction form
    1,619,088.90/2,430,102.15 = 820,925.70/x
  3. Step 3: Cross multiply
    1,619,088.90x = 2,430,102.15 × 820,925.70
  4. Step 4: Simplify right side
    1,619,088.90x = 1,994,933,308,560.26
  5. Step 5: Solve for x
    x = 1,994,933,308,560.26/1,619,088.90
  6. Step 6: Final answer
    x = 1,232,133.27

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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.