Home / 1,005,868.96-1,388,071.48-553,159.96

Finding the Fourth Proportional to 1,005,868.96, 1,388,071.48 and 553,159.96

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Solution

The fourth proportional to 1,005,868.96, 1,388,071.48 and 553,159.96 is: 763,345.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,868.96 : 1,388,071.48 = 553,159.96 : x
  2. Step 2: Convert to fraction form
    1,005,868.96/1,388,071.48 = 553,159.96/x
  3. Step 3: Cross multiply
    1,005,868.96x = 1,388,071.48 × 553,159.96
  4. Step 4: Simplify right side
    1,005,868.96x = 767,825,564,353.94
  5. Step 5: Solve for x
    x = 767,825,564,353.94/1,005,868.96
  6. Step 6: Final answer
    x = 763,345.52

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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.