Home / 1,355,615.10-2,033,422.65-408,862.80

Finding the Fourth Proportional to 1,355,615.10, 2,033,422.65 and 408,862.80

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Solution

The fourth proportional to 1,355,615.10, 2,033,422.65 and 408,862.80 is: 613,294.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,355,615.10 : 2,033,422.65 = 408,862.80 : x
  2. Step 2: Convert to fraction form
    1,355,615.10/2,033,422.65 = 408,862.80/x
  3. Step 3: Cross multiply
    1,355,615.10x = 2,033,422.65 × 408,862.80
  4. Step 4: Simplify right side
    1,355,615.10x = 831,390,878,262.42
  5. Step 5: Solve for x
    x = 831,390,878,262.42/1,355,615.10
  6. Step 6: Final answer
    x = 613,294.20

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1.5x scale

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.