Home / 1,527,388.89-2,291,082.28-390,110.32

Finding the Fourth Proportional to 1,527,388.89, 2,291,082.28 and 390,110.32

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Solution

The fourth proportional to 1,527,388.89, 2,291,082.28 and 390,110.32 is: 585,165.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,527,388.89 : 2,291,082.28 = 390,110.32 : x
  2. Step 2: Convert to fraction form
    1,527,388.89/2,291,082.28 = 390,110.32/x
  3. Step 3: Cross multiply
    1,527,388.89x = 2,291,082.28 × 390,110.32
  4. Step 4: Simplify right side
    1,527,388.89x = 893,774,827,991.17
  5. Step 5: Solve for x
    x = 893,774,827,991.17/1,527,388.89
  6. Step 6: Final answer
    x = 585,165.20

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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.