Home / 1,100,585.55-1,651,042.35-390,554.13

Finding the Fourth Proportional to 1,100,585.55, 1,651,042.35 and 390,554.13

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Solution

The fourth proportional to 1,100,585.55, 1,651,042.35 and 390,554.13 is: 585,889.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,100,585.55 : 1,651,042.35 = 390,554.13 : x
  2. Step 2: Convert to fraction form
    1,100,585.55/1,651,042.35 = 390,554.13/x
  3. Step 3: Cross multiply
    1,100,585.55x = 1,651,042.35 × 390,554.13
  4. Step 4: Simplify right side
    1,100,585.55x = 644,821,408,597.41
  5. Step 5: Solve for x
    x = 644,821,408,597.41/1,100,585.55
  6. Step 6: Final answer
    x = 585,889.40

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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.