Home / 1,303,609.20-1,955,413.80-557,113.20

Finding the Fourth Proportional to 1,303,609.20, 1,955,413.80 and 557,113.20

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Solution

The fourth proportional to 1,303,609.20, 1,955,413.80 and 557,113.20 is: 835,669.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,303,609.20 : 1,955,413.80 = 557,113.20 : x
  2. Step 2: Convert to fraction form
    1,303,609.20/1,955,413.80 = 557,113.20/x
  3. Step 3: Cross multiply
    1,303,609.20x = 1,955,413.80 × 557,113.20
  4. Step 4: Simplify right side
    1,303,609.20x = 1,089,386,839,442.16
  5. Step 5: Solve for x
    x = 1,089,386,839,442.16/1,303,609.20
  6. Step 6: Final answer
    x = 835,669.80

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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.