Home / 1,553,494.56-2,143,822.80-909,038.52

Finding the Fourth Proportional to 1,553,494.56, 2,143,822.80 and 909,038.52

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Solution

The fourth proportional to 1,553,494.56, 2,143,822.80 and 909,038.52 is: 1,254,473.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,553,494.56 : 2,143,822.80 = 909,038.52 : x
  2. Step 2: Convert to fraction form
    1,553,494.56/2,143,822.80 = 909,038.52/x
  3. Step 3: Cross multiply
    1,553,494.56x = 2,143,822.80 × 909,038.52
  4. Step 4: Simplify right side
    1,553,494.56x = 1,948,817,505,254.26
  5. Step 5: Solve for x
    x = 1,948,817,505,254.26/1,553,494.56
  6. Step 6: Final answer
    x = 1,254,473.34

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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.