Home / 1,669,280.40-2,303,609.63-905,334.57

Finding the Fourth Proportional to 1,669,280.40, 2,303,609.63 and 905,334.57

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Solution

The fourth proportional to 1,669,280.40, 2,303,609.63 and 905,334.57 is: 1,249,363.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,669,280.40 : 2,303,609.63 = 905,334.57 : x
  2. Step 2: Convert to fraction form
    1,669,280.40/2,303,609.63 = 905,334.57/x
  3. Step 3: Cross multiply
    1,669,280.40x = 2,303,609.63 × 905,334.57
  4. Step 4: Simplify right side
    1,669,280.40x = 2,085,537,429,297.24
  5. Step 5: Solve for x
    x = 2,085,537,429,297.24/1,669,280.40
  6. Step 6: Final answer
    x = 1,249,363.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.