Home / 1,060,015.81-1,590,373.64-428,585.17

Finding the Fourth Proportional to 1,060,015.81, 1,590,373.64 and 428,585.17

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Solution

The fourth proportional to 1,060,015.81, 1,590,373.64 and 428,585.17 is: 643,019.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,060,015.81 : 1,590,373.64 = 428,585.17 : x
  2. Step 2: Convert to fraction form
    1,060,015.81/1,590,373.64 = 428,585.17/x
  3. Step 3: Cross multiply
    1,060,015.81x = 1,590,373.64 × 428,585.17
  4. Step 4: Simplify right side
    1,060,015.81x = 681,610,556,862.92
  5. Step 5: Solve for x
    x = 681,610,556,862.92/1,060,015.81
  6. Step 6: Final answer
    x = 643,019.24

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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.