Home / 965,946.80-1,448,920.20-742,435.40

Finding the Fourth Proportional to 965,946.80, 1,448,920.20 and 742,435.40

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Solution

The fourth proportional to 965,946.80, 1,448,920.20 and 742,435.40 is: 1,113,653.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    965,946.80 : 1,448,920.20 = 742,435.40 : x
  2. Step 2: Convert to fraction form
    965,946.80/1,448,920.20 = 742,435.40/x
  3. Step 3: Cross multiply
    965,946.80x = 1,448,920.20 × 742,435.40
  4. Step 4: Simplify right side
    965,946.80x = 1,075,729,648,255.08
  5. Step 5: Solve for x
    x = 1,075,729,648,255.08/965,946.80
  6. Step 6: Final answer
    x = 1,113,653.10

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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.