Home / 1,388,413.08-1,915,444.80-904,802.04

Finding the Fourth Proportional to 1,388,413.08, 1,915,444.80 and 904,802.04

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Solution

The fourth proportional to 1,388,413.08, 1,915,444.80 and 904,802.04 is: 1,248,258.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,388,413.08 : 1,915,444.80 = 904,802.04 : x
  2. Step 2: Convert to fraction form
    1,388,413.08/1,915,444.80 = 904,802.04/x
  3. Step 3: Cross multiply
    1,388,413.08x = 1,915,444.80 × 904,802.04
  4. Step 4: Simplify right side
    1,388,413.08x = 1,733,098,362,547.39
  5. Step 5: Solve for x
    x = 1,733,098,362,547.39/1,388,413.08
  6. Step 6: Final answer
    x = 1,248,258.45

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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.