Home / 1,421,827.92-1,962,118.08-777,248.40

Finding the Fourth Proportional to 1,421,827.92, 1,962,118.08 and 777,248.40

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Solution

The fourth proportional to 1,421,827.92, 1,962,118.08 and 777,248.40 is: 1,072,600.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,421,827.92 : 1,962,118.08 = 777,248.40 : x
  2. Step 2: Convert to fraction form
    1,421,827.92/1,962,118.08 = 777,248.40/x
  3. Step 3: Cross multiply
    1,421,827.92x = 1,962,118.08 × 777,248.40
  4. Step 4: Simplify right side
    1,421,827.92x = 1,525,053,138,291.07
  5. Step 5: Solve for x
    x = 1,525,053,138,291.07/1,421,827.92
  6. Step 6: Final answer
    x = 1,072,600.36

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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.