Home / 1,189,337.35-1,641,271.89-645,473.51

Finding the Fourth Proportional to 1,189,337.35, 1,641,271.89 and 645,473.51

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Solution

The fourth proportional to 1,189,337.35, 1,641,271.89 and 645,473.51 is: 890,746.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,189,337.35 : 1,641,271.89 = 645,473.51 : x
  2. Step 2: Convert to fraction form
    1,189,337.35/1,641,271.89 = 645,473.51/x
  3. Step 3: Cross multiply
    1,189,337.35x = 1,641,271.89 × 645,473.51
  4. Step 4: Simplify right side
    1,189,337.35x = 1,059,397,526,256.18
  5. Step 5: Solve for x
    x = 1,059,397,526,256.18/1,189,337.35
  6. Step 6: Final answer
    x = 890,746.03

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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.