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Finding the Fourth Proportional to 978,737.60, 1,468,106.40 and 695,302.40

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Solution

The fourth proportional to 978,737.60, 1,468,106.40 and 695,302.40 is: 1,042,953.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    978,737.60 : 1,468,106.40 = 695,302.40 : x
  2. Step 2: Convert to fraction form
    978,737.60/1,468,106.40 = 695,302.40/x
  3. Step 3: Cross multiply
    978,737.60x = 1,468,106.40 × 695,302.40
  4. Step 4: Simplify right side
    978,737.60x = 1,020,777,903,375.36
  5. Step 5: Solve for x
    x = 1,020,777,903,375.36/978,737.60
  6. Step 6: Final answer
    x = 1,042,953.60

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.