Home / 1,424,784.48-1,966,212.80-780,264.16

Finding the Fourth Proportional to 1,424,784.48, 1,966,212.80 and 780,264.16

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Solution

The fourth proportional to 1,424,784.48, 1,966,212.80 and 780,264.16 is: 1,076,770.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,424,784.48 : 1,966,212.80 = 780,264.16 : x
  2. Step 2: Convert to fraction form
    1,424,784.48/1,966,212.80 = 780,264.16/x
  3. Step 3: Cross multiply
    1,424,784.48x = 1,966,212.80 × 780,264.16
  4. Step 4: Simplify right side
    1,424,784.48x = 1,534,165,378,773.25
  5. Step 5: Solve for x
    x = 1,534,165,378,773.25/1,424,784.48
  6. Step 6: Final answer
    x = 1,076,770.14

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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.