Home / 1,381,417.94-2,072,407.16-434,568.44

Finding the Fourth Proportional to 1,381,417.94, 2,072,407.16 and 434,568.44

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Solution

The fourth proportional to 1,381,417.94, 2,072,407.16 and 434,568.44 is: 651,940.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,381,417.94 : 2,072,407.16 = 434,568.44 : x
  2. Step 2: Convert to fraction form
    1,381,417.94/2,072,407.16 = 434,568.44/x
  3. Step 3: Cross multiply
    1,381,417.94x = 2,072,407.16 × 434,568.44
  4. Step 4: Simplify right side
    1,381,417.94x = 900,602,746,566.03
  5. Step 5: Solve for x
    x = 900,602,746,566.03/1,381,417.94
  6. Step 6: Final answer
    x = 651,940.82

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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.