Home / 1,702,042.53-2,553,442.29-742,653.60

Finding the Fourth Proportional to 1,702,042.53, 2,553,442.29 and 742,653.60

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Solution

The fourth proportional to 1,702,042.53, 2,553,442.29 and 742,653.60 is: 1,114,145.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,702,042.53 : 2,553,442.29 = 742,653.60 : x
  2. Step 2: Convert to fraction form
    1,702,042.53/2,553,442.29 = 742,653.60/x
  3. Step 3: Cross multiply
    1,702,042.53x = 2,553,442.29 × 742,653.60
  4. Step 4: Simplify right side
    1,702,042.53x = 1,896,323,109,060.74
  5. Step 5: Solve for x
    x = 1,896,323,109,060.74/1,702,042.53
  6. Step 6: Final answer
    x = 1,114,145.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.