Home / 849,748.65-1,170,123.93-830,889.42

Finding the Fourth Proportional to 849,748.65, 1,170,123.93 and 830,889.42

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Solution

The fourth proportional to 849,748.65, 1,170,123.93 and 830,889.42 is: 1,144,154.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,748.65 : 1,170,123.93 = 830,889.42 : x
  2. Step 2: Convert to fraction form
    849,748.65/1,170,123.93 = 830,889.42/x
  3. Step 3: Cross multiply
    849,748.65x = 1,170,123.93 × 830,889.42
  4. Step 4: Simplify right side
    849,748.65x = 972,243,593,525.82
  5. Step 5: Solve for x
    x = 972,243,593,525.82/849,748.65
  6. Step 6: Final answer
    x = 1,144,154.33

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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.