Home / 1,355,403.71-1,870,446.05-735,207.33

Finding the Fourth Proportional to 1,355,403.71, 1,870,446.05 and 735,207.33

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Solution

The fourth proportional to 1,355,403.71, 1,870,446.05 and 735,207.33 is: 1,014,580.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,355,403.71 : 1,870,446.05 = 735,207.33 : x
  2. Step 2: Convert to fraction form
    1,355,403.71/1,870,446.05 = 735,207.33/x
  3. Step 3: Cross multiply
    1,355,403.71x = 1,870,446.05 × 735,207.33
  4. Step 4: Simplify right side
    1,355,403.71x = 1,375,165,646,329.55
  5. Step 5: Solve for x
    x = 1,375,165,646,329.55/1,355,403.71
  6. Step 6: Final answer
    x = 1,014,580.11

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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.