Home / 965,720.80-1,448,581.20-742,209.40

Finding the Fourth Proportional to 965,720.80, 1,448,581.20 and 742,209.40

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Solution

The fourth proportional to 965,720.80, 1,448,581.20 and 742,209.40 is: 1,113,314.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    965,720.80 : 1,448,581.20 = 742,209.40 : x
  2. Step 2: Convert to fraction form
    965,720.80/1,448,581.20 = 742,209.40/x
  3. Step 3: Cross multiply
    965,720.80x = 1,448,581.20 × 742,209.40
  4. Step 4: Simplify right side
    965,720.80x = 1,075,150,583,303.28
  5. Step 5: Solve for x
    x = 1,075,150,583,303.28/965,720.80
  6. Step 6: Final answer
    x = 1,113,314.10

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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.