Home / 909,342.59-1,364,116.01-742,284.95

Finding the Fourth Proportional to 909,342.59, 1,364,116.01 and 742,284.95

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Solution

The fourth proportional to 909,342.59, 1,364,116.01 and 742,284.95 is: 1,113,510.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,342.59 : 1,364,116.01 = 742,284.95 : x
  2. Step 2: Convert to fraction form
    909,342.59/1,364,116.01 = 742,284.95/x
  3. Step 3: Cross multiply
    909,342.59x = 1,364,116.01 × 742,284.95
  4. Step 4: Simplify right side
    909,342.59x = 1,012,562,773,745.04
  5. Step 5: Solve for x
    x = 1,012,562,773,745.04/909,342.59
  6. Step 6: Final answer
    x = 1,113,510.78

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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.