Home / 1,332,698.23-1,999,045.80-434,138.53

Finding the Fourth Proportional to 1,332,698.23, 1,999,045.80 and 434,138.53

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Solution

The fourth proportional to 1,332,698.23, 1,999,045.80 and 434,138.53 is: 651,207.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,332,698.23 : 1,999,045.80 = 434,138.53 : x
  2. Step 2: Convert to fraction form
    1,332,698.23/1,999,045.80 = 434,138.53/x
  3. Step 3: Cross multiply
    1,332,698.23x = 1,999,045.80 × 434,138.53
  4. Step 4: Simplify right side
    1,332,698.23x = 867,862,800,017.06
  5. Step 5: Solve for x
    x = 867,862,800,017.06/1,332,698.23
  6. Step 6: Final answer
    x = 651,207.29

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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.