Home / 989,609.40-1,484,414.10-753,413.40

Finding the Fourth Proportional to 989,609.40, 1,484,414.10 and 753,413.40

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Solution

The fourth proportional to 989,609.40, 1,484,414.10 and 753,413.40 is: 1,130,120.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,609.40 : 1,484,414.10 = 753,413.40 : x
  2. Step 2: Convert to fraction form
    989,609.40/1,484,414.10 = 753,413.40/x
  3. Step 3: Cross multiply
    989,609.40x = 1,484,414.10 × 753,413.40
  4. Step 4: Simplify right side
    989,609.40x = 1,118,377,474,088.94
  5. Step 5: Solve for x
    x = 1,118,377,474,088.94/989,609.40
  6. Step 6: Final answer
    x = 1,130,120.10

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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.