Home / 1,489,521.69-2,055,226.32-974,031.21

Finding the Fourth Proportional to 1,489,521.69, 2,055,226.32 and 974,031.21

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Solution

The fourth proportional to 1,489,521.69, 2,055,226.32 and 974,031.21 is: 1,343,957.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,489,521.69 : 2,055,226.32 = 974,031.21 : x
  2. Step 2: Convert to fraction form
    1,489,521.69/2,055,226.32 = 974,031.21/x
  3. Step 3: Cross multiply
    1,489,521.69x = 2,055,226.32 × 974,031.21
  4. Step 4: Simplify right side
    1,489,521.69x = 2,001,854,579,293.45
  5. Step 5: Solve for x
    x = 2,001,854,579,293.45/1,489,521.69
  6. Step 6: Final answer
    x = 1,343,957.99

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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.