Home / 1,556,513.70-2,335,754.70-916,816.20

Finding the Fourth Proportional to 1,556,513.70, 2,335,754.70 and 916,816.20

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Solution

The fourth proportional to 1,556,513.70, 2,335,754.70 and 916,816.20 is: 1,375,803.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,556,513.70 : 2,335,754.70 = 916,816.20 : x
  2. Step 2: Convert to fraction form
    1,556,513.70/2,335,754.70 = 916,816.20/x
  3. Step 3: Cross multiply
    1,556,513.70x = 2,335,754.70 × 916,816.20
  4. Step 4: Simplify right side
    1,556,513.70x = 2,141,457,748,186.14
  5. Step 5: Solve for x
    x = 2,141,457,748,186.14/1,556,513.70
  6. Step 6: Final answer
    x = 1,375,803.98

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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.