Home / 1,547,735.78-2,136,128.93-903,153.98

Finding the Fourth Proportional to 1,547,735.78, 2,136,128.93 and 903,153.98

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Solution

The fourth proportional to 1,547,735.78, 2,136,128.93 and 903,153.98 is: 1,246,500.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,547,735.78 : 2,136,128.93 = 903,153.98 : x
  2. Step 2: Convert to fraction form
    1,547,735.78/2,136,128.93 = 903,153.98/x
  3. Step 3: Cross multiply
    1,547,735.78x = 2,136,128.93 × 903,153.98
  4. Step 4: Simplify right side
    1,547,735.78x = 1,929,253,336,499.88
  5. Step 5: Solve for x
    x = 1,929,253,336,499.88/1,547,735.78
  6. Step 6: Final answer
    x = 1,246,500.45

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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.