Home / 1,456,413.67-2,009,809.01-811,820.02

Finding the Fourth Proportional to 1,456,413.67, 2,009,809.01 and 811,820.02

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Solution

The fourth proportional to 1,456,413.67, 2,009,809.01 and 811,820.02 is: 1,120,288.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,456,413.67 : 2,009,809.01 = 811,820.02 : x
  2. Step 2: Convert to fraction form
    1,456,413.67/2,009,809.01 = 811,820.02/x
  3. Step 3: Cross multiply
    1,456,413.67x = 2,009,809.01 × 811,820.02
  4. Step 4: Simplify right side
    1,456,413.67x = 1,631,603,186,901.31
  5. Step 5: Solve for x
    x = 1,631,603,186,901.31/1,456,413.67
  6. Step 6: Final answer
    x = 1,120,288.30

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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.