Home / 1,345,646.06-1,857,005.44-742,055.66

Finding the Fourth Proportional to 1,345,646.06, 1,857,005.44 and 742,055.66

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Solution

The fourth proportional to 1,345,646.06, 1,857,005.44 and 742,055.66 is: 1,024,044.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,345,646.06 : 1,857,005.44 = 742,055.66 : x
  2. Step 2: Convert to fraction form
    1,345,646.06/1,857,005.44 = 742,055.66/x
  3. Step 3: Cross multiply
    1,345,646.06x = 1,857,005.44 × 742,055.66
  4. Step 4: Simplify right side
    1,345,646.06x = 1,378,001,386,262.62
  5. Step 5: Solve for x
    x = 1,378,001,386,262.62/1,345,646.06
  6. Step 6: Final answer
    x = 1,024,044.46

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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.