Home / 1,587,282.38-2,381,013.45-507,889.82

Finding the Fourth Proportional to 1,587,282.38, 2,381,013.45 and 507,889.82

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Solution

The fourth proportional to 1,587,282.38, 2,381,013.45 and 507,889.82 is: 761,863.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,587,282.38 : 2,381,013.45 = 507,889.82 : x
  2. Step 2: Convert to fraction form
    1,587,282.38/2,381,013.45 = 507,889.82/x
  3. Step 3: Cross multiply
    1,587,282.38x = 2,381,013.45 × 507,889.82
  4. Step 4: Simplify right side
    1,587,282.38x = 1,209,292,492,538.08
  5. Step 5: Solve for x
    x = 1,209,292,492,538.08/1,587,282.38
  6. Step 6: Final answer
    x = 761,863.49

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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.