Home / 1,273,099.36-1,909,547.52-740,280.64

Finding the Fourth Proportional to 1,273,099.36, 1,909,547.52 and 740,280.64

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Solution

The fourth proportional to 1,273,099.36, 1,909,547.52 and 740,280.64 is: 1,110,361.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,273,099.36 : 1,909,547.52 = 740,280.64 : x
  2. Step 2: Convert to fraction form
    1,273,099.36/1,909,547.52 = 740,280.64/x
  3. Step 3: Cross multiply
    1,273,099.36x = 1,909,547.52 × 740,280.64
  4. Step 4: Simplify right side
    1,273,099.36x = 1,413,601,060,216.01
  5. Step 5: Solve for x
    x = 1,413,601,060,216.01/1,273,099.36
  6. Step 6: Final answer
    x = 1,110,361.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.