Home / 1,578,409.44-2,178,050.93-916,018.32

Finding the Fourth Proportional to 1,578,409.44, 2,178,050.93 and 916,018.32

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Solution

The fourth proportional to 1,578,409.44, 2,178,050.93 and 916,018.32 is: 1,264,015.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,578,409.44 : 2,178,050.93 = 916,018.32 : x
  2. Step 2: Convert to fraction form
    1,578,409.44/2,178,050.93 = 916,018.32/x
  3. Step 3: Cross multiply
    1,578,409.44x = 2,178,050.93 × 916,018.32
  4. Step 4: Simplify right side
    1,578,409.44x = 1,995,134,553,696.77
  5. Step 5: Solve for x
    x = 1,995,134,553,696.77/1,578,409.44
  6. Step 6: Final answer
    x = 1,264,015.86

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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.