Home / 1,038,829.80-1,557,092.70-407,533.80

Finding the Fourth Proportional to 1,038,829.80, 1,557,092.70 and 407,533.80

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Solution

The fourth proportional to 1,038,829.80, 1,557,092.70 and 407,533.80 is: 610,848.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,829.80 : 1,557,092.70 = 407,533.80 : x
  2. Step 2: Convert to fraction form
    1,038,829.80/1,557,092.70 = 407,533.80/x
  3. Step 3: Cross multiply
    1,038,829.80x = 1,557,092.70 × 407,533.80
  4. Step 4: Simplify right side
    1,038,829.80x = 634,567,904,983.26
  5. Step 5: Solve for x
    x = 634,567,904,983.26/1,038,829.80
  6. Step 6: Final answer
    x = 610,848.77

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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.