Home / 1,371,634.56-2,056,700.16-424,742.40

Finding the Fourth Proportional to 1,371,634.56, 2,056,700.16 and 424,742.40

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Solution

The fourth proportional to 1,371,634.56, 2,056,700.16 and 424,742.40 is: 636,880.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,371,634.56 : 2,056,700.16 = 424,742.40 : x
  2. Step 2: Convert to fraction form
    1,371,634.56/2,056,700.16 = 424,742.40/x
  3. Step 3: Cross multiply
    1,371,634.56x = 2,056,700.16 × 424,742.40
  4. Step 4: Simplify right side
    1,371,634.56x = 873,567,762,038.78
  5. Step 5: Solve for x
    x = 873,567,762,038.78/1,371,634.56
  6. Step 6: Final answer
    x = 636,880.83

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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.