Home / 1,297,314.63-1,788,444.39-1,006,412.95

Finding the Fourth Proportional to 1,297,314.63, 1,788,444.39 and 1,006,412.95

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Solution

The fourth proportional to 1,297,314.63, 1,788,444.39 and 1,006,412.95 is: 1,387,414.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,297,314.63 : 1,788,444.39 = 1,006,412.95 : x
  2. Step 2: Convert to fraction form
    1,297,314.63/1,788,444.39 = 1,006,412.95/x
  3. Step 3: Cross multiply
    1,297,314.63x = 1,788,444.39 × 1,006,412.95
  4. Step 4: Simplify right side
    1,297,314.63x = 1,799,913,600,460.45
  5. Step 5: Solve for x
    x = 1,799,913,600,460.45/1,297,314.63
  6. Step 6: Final answer
    x = 1,387,414.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.