Home / 1,123,398.96-1,684,748.40-375,270

Finding the Fourth Proportional to 1,123,398.96, 1,684,748.40 and 375,270

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Solution

The fourth proportional to 1,123,398.96, 1,684,748.40 and 375,270 is: 562,788.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,123,398.96 : 1,684,748.40 = 375,270 : x
  2. Step 2: Convert to fraction form
    1,123,398.96/1,684,748.40 = 375,270/x
  3. Step 3: Cross multiply
    1,123,398.96x = 1,684,748.40 × 375,270
  4. Step 4: Simplify right side
    1,123,398.96x = 632,235,532,068
  5. Step 5: Solve for x
    x = 632,235,532,068/1,123,398.96
  6. Step 6: Final answer
    x = 562,788.07

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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.