Home / 1,297,545.80-1,946,318.70-940,886.60

Finding the Fourth Proportional to 1,297,545.80, 1,946,318.70 and 940,886.60

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Solution

The fourth proportional to 1,297,545.80, 1,946,318.70 and 940,886.60 is: 1,411,329.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,297,545.80 : 1,946,318.70 = 940,886.60 : x
  2. Step 2: Convert to fraction form
    1,297,545.80/1,946,318.70 = 940,886.60/x
  3. Step 3: Cross multiply
    1,297,545.80x = 1,946,318.70 × 940,886.60
  4. Step 4: Simplify right side
    1,297,545.80x = 1,831,265,184,159.42
  5. Step 5: Solve for x
    x = 1,831,265,184,159.42/1,297,545.80
  6. Step 6: Final answer
    x = 1,411,329.90

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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.