Home / 1,333,488.80-2,000,869.86-623,413.64

Finding the Fourth Proportional to 1,333,488.80, 2,000,869.86 and 623,413.64

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Solution

The fourth proportional to 1,333,488.80, 2,000,869.86 and 623,413.64 is: 935,418.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,333,488.80 : 2,000,869.86 = 623,413.64 : x
  2. Step 2: Convert to fraction form
    1,333,488.80/2,000,869.86 = 623,413.64/x
  3. Step 3: Cross multiply
    1,333,488.80x = 2,000,869.86 × 623,413.64
  4. Step 4: Simplify right side
    1,333,488.80x = 1,247,369,562,588.89
  5. Step 5: Solve for x
    x = 1,247,369,562,588.89/1,333,488.80
  6. Step 6: Final answer
    x = 935,418.10

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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.