Home / 1,559,267.84-2,151,728.64-978,803.36

Finding the Fourth Proportional to 1,559,267.84, 2,151,728.64 and 978,803.36

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Solution

The fourth proportional to 1,559,267.84, 2,151,728.64 and 978,803.36 is: 1,350,710.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,559,267.84 : 2,151,728.64 = 978,803.36 : x
  2. Step 2: Convert to fraction form
    1,559,267.84/2,151,728.64 = 978,803.36/x
  3. Step 3: Cross multiply
    1,559,267.84x = 2,151,728.64 × 978,803.36
  4. Step 4: Simplify right side
    1,559,267.84x = 2,106,119,222,640.23
  5. Step 5: Solve for x
    x = 2,106,119,222,640.23/1,559,267.84
  6. Step 6: Final answer
    x = 1,350,710.36

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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.