Home / 1,293,699.42-1,785,150.36-742,386.83

Finding the Fourth Proportional to 1,293,699.42, 1,785,150.36 and 742,386.83

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Solution

The fourth proportional to 1,293,699.42, 1,785,150.36 and 742,386.83 is: 1,024,404.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,293,699.42 : 1,785,150.36 = 742,386.83 : x
  2. Step 2: Convert to fraction form
    1,293,699.42/1,785,150.36 = 742,386.83/x
  3. Step 3: Cross multiply
    1,293,699.42x = 1,785,150.36 × 742,386.83
  4. Step 4: Simplify right side
    1,293,699.42x = 1,325,272,107,908.01
  5. Step 5: Solve for x
    x = 1,325,272,107,908.01/1,293,699.42
  6. Step 6: Final answer
    x = 1,024,404.96

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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.