Home / 1,578,225.36-2,177,946.72-899,166.72

Finding the Fourth Proportional to 1,578,225.36, 2,177,946.72 and 899,166.72

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Solution

The fourth proportional to 1,578,225.36, 2,177,946.72 and 899,166.72 is: 1,240,847.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,578,225.36 : 2,177,946.72 = 899,166.72 : x
  2. Step 2: Convert to fraction form
    1,578,225.36/2,177,946.72 = 899,166.72/x
  3. Step 3: Cross multiply
    1,578,225.36x = 2,177,946.72 × 899,166.72
  4. Step 4: Simplify right side
    1,578,225.36x = 1,958,337,208,557.16
  5. Step 5: Solve for x
    x = 1,958,337,208,557.16/1,578,225.36
  6. Step 6: Final answer
    x = 1,240,847.64

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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.