Home / 1,007,614.77-1,390,445.36-554,905.77

Finding the Fourth Proportional to 1,007,614.77, 1,390,445.36 and 554,905.77

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Solution

The fourth proportional to 1,007,614.77, 1,390,445.36 and 554,905.77 is: 765,735.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,007,614.77 : 1,390,445.36 = 554,905.77 : x
  2. Step 2: Convert to fraction form
    1,007,614.77/1,390,445.36 = 554,905.77/x
  3. Step 3: Cross multiply
    1,007,614.77x = 1,390,445.36 × 554,905.77
  4. Step 4: Simplify right side
    1,007,614.77x = 771,566,150,359.20
  5. Step 5: Solve for x
    x = 771,566,150,359.20/1,007,614.77
  6. Step 6: Final answer
    x = 765,735.25

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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.