Home / 1,538,141.40-2,307,212.10-908,285.40

Finding the Fourth Proportional to 1,538,141.40, 2,307,212.10 and 908,285.40

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Solution

The fourth proportional to 1,538,141.40, 2,307,212.10 and 908,285.40 is: 1,362,428.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,538,141.40 : 2,307,212.10 = 908,285.40 : x
  2. Step 2: Convert to fraction form
    1,538,141.40/2,307,212.10 = 908,285.40/x
  3. Step 3: Cross multiply
    1,538,141.40x = 2,307,212.10 × 908,285.40
  4. Step 4: Simplify right side
    1,538,141.40x = 2,095,607,065,133.34
  5. Step 5: Solve for x
    x = 2,095,607,065,133.34/1,538,141.40
  6. Step 6: Final answer
    x = 1,362,428.10

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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.