Home / 1,332,699.36-1,999,047.48-434,139.66

Finding the Fourth Proportional to 1,332,699.36, 1,999,047.48 and 434,139.66

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Solution

The fourth proportional to 1,332,699.36, 1,999,047.48 and 434,139.66 is: 651,208.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,332,699.36 : 1,999,047.48 = 434,139.66 : x
  2. Step 2: Convert to fraction form
    1,332,699.36/1,999,047.48 = 434,139.66/x
  3. Step 3: Cross multiply
    1,332,699.36x = 1,999,047.48 × 434,139.66
  4. Step 4: Simplify right side
    1,332,699.36x = 867,865,793,291.06
  5. Step 5: Solve for x
    x = 867,865,793,291.06/1,332,699.36
  6. Step 6: Final answer
    x = 651,208.98

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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.