Home / 1,398,503.18-2,095,214.61-640,974.98

Finding the Fourth Proportional to 1,398,503.18, 2,095,214.61 and 640,974.98

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Solution

The fourth proportional to 1,398,503.18, 2,095,214.61 and 640,974.98 is: 960,298.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,398,503.18 : 2,095,214.61 = 640,974.98 : x
  2. Step 2: Convert to fraction form
    1,398,503.18/2,095,214.61 = 640,974.98/x
  3. Step 3: Cross multiply
    1,398,503.18x = 2,095,214.61 × 640,974.98
  4. Step 4: Simplify right side
    1,398,503.18x = 1,342,980,142,740.46
  5. Step 5: Solve for x
    x = 1,342,980,142,740.46/1,398,503.18
  6. Step 6: Final answer
    x = 960,298.24

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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.