Home / 1,712,345.28-2,363,012.64-987,194.40

Finding the Fourth Proportional to 1,712,345.28, 2,363,012.64 and 987,194.40

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Solution

The fourth proportional to 1,712,345.28, 2,363,012.64 and 987,194.40 is: 1,362,314.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,712,345.28 : 2,363,012.64 = 987,194.40 : x
  2. Step 2: Convert to fraction form
    1,712,345.28/2,363,012.64 = 987,194.40/x
  3. Step 3: Cross multiply
    1,712,345.28x = 2,363,012.64 × 987,194.40
  4. Step 4: Simplify right side
    1,712,345.28x = 2,332,752,845,337.22
  5. Step 5: Solve for x
    x = 2,332,752,845,337.22/1,712,345.28
  6. Step 6: Final answer
    x = 1,362,314.52

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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.