Home / 1,292,333.16-1,783,971.12-920,036.04

Finding the Fourth Proportional to 1,292,333.16, 1,783,971.12 and 920,036.04

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Solution

The fourth proportional to 1,292,333.16, 1,783,971.12 and 920,036.04 is: 1,270,042.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,292,333.16 : 1,783,971.12 = 920,036.04 : x
  2. Step 2: Convert to fraction form
    1,292,333.16/1,783,971.12 = 920,036.04/x
  3. Step 3: Cross multiply
    1,292,333.16x = 1,783,971.12 × 920,036.04
  4. Step 4: Simplify right side
    1,292,333.16x = 1,641,317,724,719.17
  5. Step 5: Solve for x
    x = 1,641,317,724,719.17/1,292,333.16
  6. Step 6: Final answer
    x = 1,270,042.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.