Home / 1,553,495.06-2,143,823.49-909,039.02

Finding the Fourth Proportional to 1,553,495.06, 2,143,823.49 and 909,039.02

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Solution

The fourth proportional to 1,553,495.06, 2,143,823.49 and 909,039.02 is: 1,254,474.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,553,495.06 : 2,143,823.49 = 909,039.02 : x
  2. Step 2: Convert to fraction form
    1,553,495.06/2,143,823.49 = 909,039.02/x
  3. Step 3: Cross multiply
    1,553,495.06x = 2,143,823.49 × 909,039.02
  4. Step 4: Simplify right side
    1,553,495.06x = 1,948,819,204,402.58
  5. Step 5: Solve for x
    x = 1,948,819,204,402.58/1,553,495.06
  6. Step 6: Final answer
    x = 1,254,474.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.