Home / 1,243,215.40-1,864,354.38-401,541.16

Finding the Fourth Proportional to 1,243,215.40, 1,864,354.38 and 401,541.16

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Solution

The fourth proportional to 1,243,215.40, 1,864,354.38 and 401,541.16 is: 602,160.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,243,215.40 : 1,864,354.38 = 401,541.16 : x
  2. Step 2: Convert to fraction form
    1,243,215.40/1,864,354.38 = 401,541.16/x
  3. Step 3: Cross multiply
    1,243,215.40x = 1,864,354.38 × 401,541.16
  4. Step 4: Simplify right side
    1,243,215.40x = 748,615,020,396.28
  5. Step 5: Solve for x
    x = 748,615,020,396.28/1,243,215.40
  6. Step 6: Final answer
    x = 602,160.35

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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.