Home / 1,353,905.52-1,868,389.38-742,077.96

Finding the Fourth Proportional to 1,353,905.52, 1,868,389.38 and 742,077.96

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Solution

The fourth proportional to 1,353,905.52, 1,868,389.38 and 742,077.96 is: 1,024,067.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,353,905.52 : 1,868,389.38 = 742,077.96 : x
  2. Step 2: Convert to fraction form
    1,353,905.52/1,868,389.38 = 742,077.96/x
  3. Step 3: Cross multiply
    1,353,905.52x = 1,868,389.38 × 742,077.96
  4. Step 4: Simplify right side
    1,353,905.52x = 1,386,490,579,596.06
  5. Step 5: Solve for x
    x = 1,386,490,579,596.06/1,353,905.52
  6. Step 6: Final answer
    x = 1,024,067.45

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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.