Home / 1,458,444.32-2,012,012.32-1,390,907

Finding the Fourth Proportional to 1,458,444.32, 2,012,012.32 and 1,390,907

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Solution

The fourth proportional to 1,458,444.32, 2,012,012.32 and 1,390,907 is: 1,918,840.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,458,444.32 : 2,012,012.32 = 1,390,907 : x
  2. Step 2: Convert to fraction form
    1,458,444.32/2,012,012.32 = 1,390,907/x
  3. Step 3: Cross multiply
    1,458,444.32x = 2,012,012.32 × 1,390,907
  4. Step 4: Simplify right side
    1,458,444.32x = 2,798,522,019,974.24
  5. Step 5: Solve for x
    x = 2,798,522,019,974.24/1,458,444.32
  6. Step 6: Final answer
    x = 1,918,840.49

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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.