Home / 1,230,350.30-1,845,784.65-520,012.70

Finding the Fourth Proportional to 1,230,350.30, 1,845,784.65 and 520,012.70

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Solution

The fourth proportional to 1,230,350.30, 1,845,784.65 and 520,012.70 is: 780,128.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,230,350.30 : 1,845,784.65 = 520,012.70 : x
  2. Step 2: Convert to fraction form
    1,230,350.30/1,845,784.65 = 520,012.70/x
  3. Step 3: Cross multiply
    1,230,350.30x = 1,845,784.65 × 520,012.70
  4. Step 4: Simplify right side
    1,230,350.30x = 959,831,459,465.06
  5. Step 5: Solve for x
    x = 959,831,459,465.06/1,230,350.30
  6. Step 6: Final answer
    x = 780,128.60

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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.