Home / 1,143,988.75-1,714,963.43-434,515.02

Finding the Fourth Proportional to 1,143,988.75, 1,714,963.43 and 434,515.02

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Solution

The fourth proportional to 1,143,988.75, 1,714,963.43 and 434,515.02 is: 651,385.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,143,988.75 : 1,714,963.43 = 434,515.02 : x
  2. Step 2: Convert to fraction form
    1,143,988.75/1,714,963.43 = 434,515.02/x
  3. Step 3: Cross multiply
    1,143,988.75x = 1,714,963.43 × 434,515.02
  4. Step 4: Simplify right side
    1,143,988.75x = 745,177,369,085.72
  5. Step 5: Solve for x
    x = 745,177,369,085.72/1,143,988.75
  6. Step 6: Final answer
    x = 651,385.22

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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.