Home / 1,100,615.30-1,651,214.55-390,569.30

Finding the Fourth Proportional to 1,100,615.30, 1,651,214.55 and 390,569.30

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Solution

The fourth proportional to 1,100,615.30, 1,651,214.55 and 390,569.30 is: 585,957.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,100,615.30 : 1,651,214.55 = 390,569.30 : x
  2. Step 2: Convert to fraction form
    1,100,615.30/1,651,214.55 = 390,569.30/x
  3. Step 3: Cross multiply
    1,100,615.30x = 1,651,214.55 × 390,569.30
  4. Step 4: Simplify right side
    1,100,615.30x = 644,913,710,943.32
  5. Step 5: Solve for x
    x = 644,913,710,943.32/1,100,615.30
  6. Step 6: Final answer
    x = 585,957.43

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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.