Home / 1,355,402.71-1,870,444.67-735,206.33

Finding the Fourth Proportional to 1,355,402.71, 1,870,444.67 and 735,206.33

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Solution

The fourth proportional to 1,355,402.71, 1,870,444.67 and 735,206.33 is: 1,014,578.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,355,402.71 : 1,870,444.67 = 735,206.33 : x
  2. Step 2: Convert to fraction form
    1,355,402.71/1,870,444.67 = 735,206.33/x
  3. Step 3: Cross multiply
    1,355,402.71x = 1,870,444.67 × 735,206.33
  4. Step 4: Simplify right side
    1,355,402.71x = 1,375,162,765,055.86
  5. Step 5: Solve for x
    x = 1,375,162,765,055.86/1,355,402.71
  6. Step 6: Final answer
    x = 1,014,578.73

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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.