Home / 1,038,402.48-1,557,603.54-439,208.04

Finding the Fourth Proportional to 1,038,402.48, 1,557,603.54 and 439,208.04

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Solution

The fourth proportional to 1,038,402.48, 1,557,603.54 and 439,208.04 is: 658,811.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,402.48 : 1,557,603.54 = 439,208.04 : x
  2. Step 2: Convert to fraction form
    1,038,402.48/1,557,603.54 = 439,208.04/x
  3. Step 3: Cross multiply
    1,038,402.48x = 1,557,603.54 × 439,208.04
  4. Step 4: Simplify right side
    1,038,402.48x = 684,111,997,900.46
  5. Step 5: Solve for x
    x = 684,111,997,900.46/1,038,402.48
  6. Step 6: Final answer
    x = 658,811.98

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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.