Home / 1,512,032.40-2,268,048.60-390,101.40

Finding the Fourth Proportional to 1,512,032.40, 2,268,048.60 and 390,101.40

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Solution

The fourth proportional to 1,512,032.40, 2,268,048.60 and 390,101.40 is: 585,152.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,512,032.40 : 2,268,048.60 = 390,101.40 : x
  2. Step 2: Convert to fraction form
    1,512,032.40/2,268,048.60 = 390,101.40/x
  3. Step 3: Cross multiply
    1,512,032.40x = 2,268,048.60 × 390,101.40
  4. Step 4: Simplify right side
    1,512,032.40x = 884,768,934,128.04
  5. Step 5: Solve for x
    x = 884,768,934,128.04/1,512,032.40
  6. Step 6: Final answer
    x = 585,152.10

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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.