Home / 1,127,017.94-1,555,322.37-617,721.62

Finding the Fourth Proportional to 1,127,017.94, 1,555,322.37 and 617,721.62

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Solution

The fourth proportional to 1,127,017.94, 1,555,322.37 and 617,721.62 is: 852,476.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,127,017.94 : 1,555,322.37 = 617,721.62 : x
  2. Step 2: Convert to fraction form
    1,127,017.94/1,555,322.37 = 617,721.62/x
  3. Step 3: Cross multiply
    1,127,017.94x = 1,555,322.37 × 617,721.62
  4. Step 4: Simplify right side
    1,127,017.94x = 960,756,254,018.64
  5. Step 5: Solve for x
    x = 960,756,254,018.64/1,127,017.94
  6. Step 6: Final answer
    x = 852,476.45

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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.