Home / 1,091,130.66-1,505,807.04-607,695.78

Finding the Fourth Proportional to 1,091,130.66, 1,505,807.04 and 607,695.78

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Solution

The fourth proportional to 1,091,130.66, 1,505,807.04 and 607,695.78 is: 838,646.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,091,130.66 : 1,505,807.04 = 607,695.78 : x
  2. Step 2: Convert to fraction form
    1,091,130.66/1,505,807.04 = 607,695.78/x
  3. Step 3: Cross multiply
    1,091,130.66x = 1,505,807.04 × 607,695.78
  4. Step 4: Simplify right side
    1,091,130.66x = 915,072,583,702.29
  5. Step 5: Solve for x
    x = 915,072,583,702.29/1,091,130.66
  6. Step 6: Final answer
    x = 838,646.20

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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.