Home / 1,420,468.92-2,130,748.77-555,869.58

Finding the Fourth Proportional to 1,420,468.92, 2,130,748.77 and 555,869.58

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Solution

The fourth proportional to 1,420,468.92, 2,130,748.77 and 555,869.58 is: 833,822.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,420,468.92 : 2,130,748.77 = 555,869.58 : x
  2. Step 2: Convert to fraction form
    1,420,468.92/2,130,748.77 = 555,869.58/x
  3. Step 3: Cross multiply
    1,420,468.92x = 2,130,748.77 × 555,869.58
  4. Step 4: Simplify right side
    1,420,468.92x = 1,184,418,423,865.42
  5. Step 5: Solve for x
    x = 1,184,418,423,865.42/1,420,468.92
  6. Step 6: Final answer
    x = 833,822.13

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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.