Home / 1,512,054.10-2,268,081.15-390,123.10

Finding the Fourth Proportional to 1,512,054.10, 2,268,081.15 and 390,123.10

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Solution

The fourth proportional to 1,512,054.10, 2,268,081.15 and 390,123.10 is: 585,184.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,512,054.10 : 2,268,081.15 = 390,123.10 : x
  2. Step 2: Convert to fraction form
    1,512,054.10/2,268,081.15 = 390,123.10/x
  3. Step 3: Cross multiply
    1,512,054.10x = 2,268,081.15 × 390,123.10
  4. Step 4: Simplify right side
    1,512,054.10x = 884,830,849,289.57
  5. Step 5: Solve for x
    x = 884,830,849,289.57/1,512,054.10
  6. Step 6: Final answer
    x = 585,184.65

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Double scale
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Similar ratio
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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.