Home / 1,009,987.92-1,393,812.54-557,308.08

Finding the Fourth Proportional to 1,009,987.92, 1,393,812.54 and 557,308.08

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Solution

The fourth proportional to 1,009,987.92, 1,393,812.54 and 557,308.08 is: 769,101.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,009,987.92 : 1,393,812.54 = 557,308.08 : x
  2. Step 2: Convert to fraction form
    1,009,987.92/1,393,812.54 = 557,308.08/x
  3. Step 3: Cross multiply
    1,009,987.92x = 1,393,812.54 × 557,308.08
  4. Step 4: Simplify right side
    1,009,987.92x = 776,782,990,547.32
  5. Step 5: Solve for x
    x = 776,782,990,547.32/1,009,987.92
  6. Step 6: Final answer
    x = 769,101.27

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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.