Home / 1,350,511.04-1,864,073.76-840,912.32

Finding the Fourth Proportional to 1,350,511.04, 1,864,073.76 and 840,912.32

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Solution

The fourth proportional to 1,350,511.04, 1,864,073.76 and 840,912.32 is: 1,160,688.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,350,511.04 : 1,864,073.76 = 840,912.32 : x
  2. Step 2: Convert to fraction form
    1,350,511.04/1,864,073.76 = 840,912.32/x
  3. Step 3: Cross multiply
    1,350,511.04x = 1,864,073.76 × 840,912.32
  4. Step 4: Simplify right side
    1,350,511.04x = 1,567,522,590,172.72
  5. Step 5: Solve for x
    x = 1,567,522,590,172.72/1,350,511.04
  6. Step 6: Final answer
    x = 1,160,688.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.