Home / 1,009,739.62-1,393,418.25-557,030.50

Finding the Fourth Proportional to 1,009,739.62, 1,393,418.25 and 557,030.50

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Solution

The fourth proportional to 1,009,739.62, 1,393,418.25 and 557,030.50 is: 768,689.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,009,739.62 : 1,393,418.25 = 557,030.50 : x
  2. Step 2: Convert to fraction form
    1,009,739.62/1,393,418.25 = 557,030.50/x
  3. Step 3: Cross multiply
    1,009,739.62x = 1,393,418.25 × 557,030.50
  4. Step 4: Simplify right side
    1,009,739.62x = 776,176,464,506.63
  5. Step 5: Solve for x
    x = 776,176,464,506.63/1,009,739.62
  6. Step 6: Final answer
    x = 768,689.72

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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.