Home / 1,128,007.08-1,692,019.26-380,042.28

Finding the Fourth Proportional to 1,128,007.08, 1,692,019.26 and 380,042.28

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Solution

The fourth proportional to 1,128,007.08, 1,692,019.26 and 380,042.28 is: 570,066.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,128,007.08 : 1,692,019.26 = 380,042.28 : x
  2. Step 2: Convert to fraction form
    1,128,007.08/1,692,019.26 = 380,042.28/x
  3. Step 3: Cross multiply
    1,128,007.08x = 1,692,019.26 × 380,042.28
  4. Step 4: Simplify right side
    1,128,007.08x = 643,038,857,374.31
  5. Step 5: Solve for x
    x = 643,038,857,374.31/1,128,007.08
  6. Step 6: Final answer
    x = 570,066.33

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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.