Home / 926,942.40-1,390,413.60-906,206.40

Finding the Fourth Proportional to 926,942.40, 1,390,413.60 and 906,206.40

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Solution

The fourth proportional to 926,942.40, 1,390,413.60 and 906,206.40 is: 1,359,309.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,942.40 : 1,390,413.60 = 906,206.40 : x
  2. Step 2: Convert to fraction form
    926,942.40/1,390,413.60 = 906,206.40/x
  3. Step 3: Cross multiply
    926,942.40x = 1,390,413.60 × 906,206.40
  4. Step 4: Simplify right side
    926,942.40x = 1,260,001,702,967.04
  5. Step 5: Solve for x
    x = 1,260,001,702,967.04/926,942.40
  6. Step 6: Final answer
    x = 1,359,309.60

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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.