Home / 1,424,980-1,966,485.44-972,261.28

Finding the Fourth Proportional to 1,424,980, 1,966,485.44 and 972,261.28

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Solution

The fourth proportional to 1,424,980, 1,966,485.44 and 972,261.28 is: 1,341,729.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,424,980 : 1,966,485.44 = 972,261.28 : x
  2. Step 2: Convert to fraction form
    1,424,980/1,966,485.44 = 972,261.28/x
  3. Step 3: Cross multiply
    1,424,980x = 1,966,485.44 × 972,261.28
  4. Step 4: Simplify right side
    1,424,980x = 1,911,937,650,995.76
  5. Step 5: Solve for x
    x = 1,911,937,650,995.76/1,424,980
  6. Step 6: Final answer
    x = 1,341,729.46

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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.