Home / 1,066,707.03-1,600,062.12-435,620.87

Finding the Fourth Proportional to 1,066,707.03, 1,600,062.12 and 435,620.87

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Solution

The fourth proportional to 1,066,707.03, 1,600,062.12 and 435,620.87 is: 653,431.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,066,707.03 : 1,600,062.12 = 435,620.87 : x
  2. Step 2: Convert to fraction form
    1,066,707.03/1,600,062.12 = 435,620.87/x
  3. Step 3: Cross multiply
    1,066,707.03x = 1,600,062.12 × 435,620.87
  4. Step 4: Simplify right side
    1,066,707.03x = 697,020,444,768.13
  5. Step 5: Solve for x
    x = 697,020,444,768.13/1,066,707.03
  6. Step 6: Final answer
    x = 653,431.94

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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.