Home / 1,615,041.62-2,423,681.27-642,306.21

Finding the Fourth Proportional to 1,615,041.62, 2,423,681.27 and 642,306.21

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Solution

The fourth proportional to 1,615,041.62, 2,423,681.27 and 642,306.21 is: 963,904.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,615,041.62 : 2,423,681.27 = 642,306.21 : x
  2. Step 2: Convert to fraction form
    1,615,041.62/2,423,681.27 = 642,306.21/x
  3. Step 3: Cross multiply
    1,615,041.62x = 2,423,681.27 × 642,306.21
  4. Step 4: Simplify right side
    1,615,041.62x = 1,556,745,527,570.16
  5. Step 5: Solve for x
    x = 1,556,745,527,570.16/1,615,041.62
  6. Step 6: Final answer
    x = 963,904.28

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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.