Home / 1,535,367.60-2,118,122.04-890,413.92

Finding the Fourth Proportional to 1,535,367.60, 2,118,122.04 and 890,413.92

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Solution

The fourth proportional to 1,535,367.60, 2,118,122.04 and 890,413.92 is: 1,228,373.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,535,367.60 : 2,118,122.04 = 890,413.92 : x
  2. Step 2: Convert to fraction form
    1,535,367.60/2,118,122.04 = 890,413.92/x
  3. Step 3: Cross multiply
    1,535,367.60x = 2,118,122.04 × 890,413.92
  4. Step 4: Simplify right side
    1,535,367.60x = 1,886,005,348,674.80
  5. Step 5: Solve for x
    x = 1,886,005,348,674.80/1,535,367.60
  6. Step 6: Final answer
    x = 1,228,373.81

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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.