Home / 1,104,413.90-1,657,495.65-430,817.90

Finding the Fourth Proportional to 1,104,413.90, 1,657,495.65 and 430,817.90

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Solution

The fourth proportional to 1,104,413.90, 1,657,495.65 and 430,817.90 is: 646,568.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,104,413.90 : 1,657,495.65 = 430,817.90 : x
  2. Step 2: Convert to fraction form
    1,104,413.90/1,657,495.65 = 430,817.90/x
  3. Step 3: Cross multiply
    1,104,413.90x = 1,657,495.65 × 430,817.90
  4. Step 4: Simplify right side
    1,104,413.90x = 714,078,795,192.14
  5. Step 5: Solve for x
    x = 714,078,795,192.14/1,104,413.90
  6. Step 6: Final answer
    x = 646,568.10

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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.