Home / 965,718.80-1,448,578.20-742,207.40

Finding the Fourth Proportional to 965,718.80, 1,448,578.20 and 742,207.40

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Solution

The fourth proportional to 965,718.80, 1,448,578.20 and 742,207.40 is: 1,113,311.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    965,718.80 : 1,448,578.20 = 742,207.40 : x
  2. Step 2: Convert to fraction form
    965,718.80/1,448,578.20 = 742,207.40/x
  3. Step 3: Cross multiply
    965,718.80x = 1,448,578.20 × 742,207.40
  4. Step 4: Simplify right side
    965,718.80x = 1,075,145,459,518.68
  5. Step 5: Solve for x
    x = 1,075,145,459,518.68/965,718.80
  6. Step 6: Final answer
    x = 1,113,311.10

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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.