Home / 1,332,699.42-1,999,047.55-434,139.69

Finding the Fourth Proportional to 1,332,699.42, 1,999,047.55 and 434,139.69

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Solution

The fourth proportional to 1,332,699.42, 1,999,047.55 and 434,139.69 is: 651,209.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,332,699.42 : 1,999,047.55 = 434,139.69 : x
  2. Step 2: Convert to fraction form
    1,332,699.42/1,999,047.55 = 434,139.69/x
  3. Step 3: Cross multiply
    1,332,699.42x = 1,999,047.55 × 434,139.69
  4. Step 4: Simplify right side
    1,332,699.42x = 867,865,883,652.26
  5. Step 5: Solve for x
    x = 867,865,883,652.26/1,332,699.42
  6. Step 6: Final answer
    x = 651,209.02

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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.