Home / 1,487,986.98-2,053,439.27-825,712.45

Finding the Fourth Proportional to 1,487,986.98, 2,053,439.27 and 825,712.45

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Solution

The fourth proportional to 1,487,986.98, 2,053,439.27 and 825,712.45 is: 1,139,492.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,487,986.98 : 2,053,439.27 = 825,712.45 : x
  2. Step 2: Convert to fraction form
    1,487,986.98/2,053,439.27 = 825,712.45/x
  3. Step 3: Cross multiply
    1,487,986.98x = 2,053,439.27 × 825,712.45
  4. Step 4: Simplify right side
    1,487,986.98x = 1,695,550,364,392.17
  5. Step 5: Solve for x
    x = 1,695,550,364,392.17/1,487,986.98
  6. Step 6: Final answer
    x = 1,139,492.74

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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.