Home / 959,346.60-1,439,019.90-689,908.20

Finding the Fourth Proportional to 959,346.60, 1,439,019.90 and 689,908.20

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Solution

The fourth proportional to 959,346.60, 1,439,019.90 and 689,908.20 is: 1,034,862.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    959,346.60 : 1,439,019.90 = 689,908.20 : x
  2. Step 2: Convert to fraction form
    959,346.60/1,439,019.90 = 689,908.20/x
  3. Step 3: Cross multiply
    959,346.60x = 1,439,019.90 × 689,908.20
  4. Step 4: Simplify right side
    959,346.60x = 992,791,628,973.18
  5. Step 5: Solve for x
    x = 992,791,628,973.18/959,346.60
  6. Step 6: Final answer
    x = 1,034,862.30

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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.