Home / 1,015,802.20-1,523,703.30-905,577.40

Finding the Fourth Proportional to 1,015,802.20, 1,523,703.30 and 905,577.40

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Solution

The fourth proportional to 1,015,802.20, 1,523,703.30 and 905,577.40 is: 1,358,366.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,015,802.20 : 1,523,703.30 = 905,577.40 : x
  2. Step 2: Convert to fraction form
    1,015,802.20/1,523,703.30 = 905,577.40/x
  3. Step 3: Cross multiply
    1,015,802.20x = 1,523,703.30 × 905,577.40
  4. Step 4: Simplify right side
    1,015,802.20x = 1,379,831,272,785.42
  5. Step 5: Solve for x
    x = 1,379,831,272,785.42/1,015,802.20
  6. Step 6: Final answer
    x = 1,358,366.10

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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.