Home / 1,007,442.40-1,390,253.28-577,697.44

Finding the Fourth Proportional to 1,007,442.40, 1,390,253.28 and 577,697.44

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Solution

The fourth proportional to 1,007,442.40, 1,390,253.28 and 577,697.44 is: 797,212.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,007,442.40 : 1,390,253.28 = 577,697.44 : x
  2. Step 2: Convert to fraction form
    1,007,442.40/1,390,253.28 = 577,697.44/x
  3. Step 3: Cross multiply
    1,007,442.40x = 1,390,253.28 × 577,697.44
  4. Step 4: Simplify right side
    1,007,442.40x = 803,145,760,807.60
  5. Step 5: Solve for x
    x = 803,145,760,807.60/1,007,442.40
  6. Step 6: Final answer
    x = 797,212.59

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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.