Home / 1,557,549.48-2,149,438.56-904,328.64

Finding the Fourth Proportional to 1,557,549.48, 2,149,438.56 and 904,328.64

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Solution

The fourth proportional to 1,557,549.48, 2,149,438.56 and 904,328.64 is: 1,247,985.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,557,549.48 : 2,149,438.56 = 904,328.64 : x
  2. Step 2: Convert to fraction form
    1,557,549.48/2,149,438.56 = 904,328.64/x
  3. Step 3: Cross multiply
    1,557,549.48x = 2,149,438.56 × 904,328.64
  4. Step 4: Simplify right side
    1,557,549.48x = 1,943,798,849,728.36
  5. Step 5: Solve for x
    x = 1,943,798,849,728.36/1,557,549.48
  6. Step 6: Final answer
    x = 1,247,985.30

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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.