Home / 1,009,749.66-1,393,357.56-557,011.50

Finding the Fourth Proportional to 1,009,749.66, 1,393,357.56 and 557,011.50

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Solution

The fourth proportional to 1,009,749.66, 1,393,357.56 and 557,011.50 is: 768,622.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,009,749.66 : 1,393,357.56 = 557,011.50 : x
  2. Step 2: Convert to fraction form
    1,009,749.66/1,393,357.56 = 557,011.50/x
  3. Step 3: Cross multiply
    1,009,749.66x = 1,393,357.56 × 557,011.50
  4. Step 4: Simplify right side
    1,009,749.66x = 776,116,184,531.94
  5. Step 5: Solve for x
    x = 776,116,184,531.94/1,009,749.66
  6. Step 6: Final answer
    x = 768,622.38

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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.