Home / 1,615,354.62-2,423,070.81-772,980.54

Finding the Fourth Proportional to 1,615,354.62, 2,423,070.81 and 772,980.54

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Solution

The fourth proportional to 1,615,354.62, 2,423,070.81 and 772,980.54 is: 1,159,489.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,615,354.62 : 2,423,070.81 = 772,980.54 : x
  2. Step 2: Convert to fraction form
    1,615,354.62/2,423,070.81 = 772,980.54/x
  3. Step 3: Cross multiply
    1,615,354.62x = 2,423,070.81 × 772,980.54
  4. Step 4: Simplify right side
    1,615,354.62x = 1,872,986,583,172.04
  5. Step 5: Solve for x
    x = 1,872,986,583,172.04/1,615,354.62
  6. Step 6: Final answer
    x = 1,159,489.41

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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.