Home / 893,320.85-1,339,840.14-742,486.30

Finding the Fourth Proportional to 893,320.85, 1,339,840.14 and 742,486.30

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Solution

The fourth proportional to 893,320.85, 1,339,840.14 and 742,486.30 is: 1,113,612.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,320.85 : 1,339,840.14 = 742,486.30 : x
  2. Step 2: Convert to fraction form
    893,320.85/1,339,840.14 = 742,486.30/x
  3. Step 3: Cross multiply
    893,320.85x = 1,339,840.14 × 742,486.30
  4. Step 4: Simplify right side
    893,320.85x = 994,812,942,006.16
  5. Step 5: Solve for x
    x = 994,812,942,006.16/893,320.85
  6. Step 6: Final answer
    x = 1,113,612.14

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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.