Home / 1,091,378.13-1,505,901.95-607,931.25

Finding the Fourth Proportional to 1,091,378.13, 1,505,901.95 and 607,931.25

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Solution

The fourth proportional to 1,091,378.13, 1,505,901.95 and 607,931.25 is: 838,833.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,091,378.13 : 1,505,901.95 = 607,931.25 : x
  2. Step 2: Convert to fraction form
    1,091,378.13/1,505,901.95 = 607,931.25/x
  3. Step 3: Cross multiply
    1,091,378.13x = 1,505,901.95 × 607,931.25
  4. Step 4: Simplify right side
    1,091,378.13x = 915,484,851,801.28
  5. Step 5: Solve for x
    x = 915,484,851,801.28/1,091,378.13
  6. Step 6: Final answer
    x = 838,833.79

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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.