Home / 1,315,730.92-1,815,607.30-742,827.64

Finding the Fourth Proportional to 1,315,730.92, 1,815,607.30 and 742,827.64

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Solution

The fourth proportional to 1,315,730.92, 1,815,607.30 and 742,827.64 is: 1,025,044.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,315,730.92 : 1,815,607.30 = 742,827.64 : x
  2. Step 2: Convert to fraction form
    1,315,730.92/1,815,607.30 = 742,827.64/x
  3. Step 3: Cross multiply
    1,315,730.92x = 1,815,607.30 × 742,827.64
  4. Step 4: Simplify right side
    1,315,730.92x = 1,348,683,285,825.77
  5. Step 5: Solve for x
    x = 1,348,683,285,825.77/1,315,730.92
  6. Step 6: Final answer
    x = 1,025,044.91

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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.