Home / 1,566,398.57-2,349,599.63-429,170.40

Finding the Fourth Proportional to 1,566,398.57, 2,349,599.63 and 429,170.40

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Solution

The fourth proportional to 1,566,398.57, 2,349,599.63 and 429,170.40 is: 643,756.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,566,398.57 : 2,349,599.63 = 429,170.40 : x
  2. Step 2: Convert to fraction form
    1,566,398.57/2,349,599.63 = 429,170.40/x
  3. Step 3: Cross multiply
    1,566,398.57x = 2,349,599.63 × 429,170.40
  4. Step 4: Simplify right side
    1,566,398.57x = 1,008,378,610,901.10
  5. Step 5: Solve for x
    x = 1,008,378,610,901.10/1,566,398.57
  6. Step 6: Final answer
    x = 643,756.09

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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.