Home / 1,006,315.44-1,390,707.81-824,740.98

Finding the Fourth Proportional to 1,006,315.44, 1,390,707.81 and 824,740.98

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Solution

The fourth proportional to 1,006,315.44, 1,390,707.81 and 824,740.98 is: 1,139,775.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,006,315.44 : 1,390,707.81 = 824,740.98 : x
  2. Step 2: Convert to fraction form
    1,006,315.44/1,390,707.81 = 824,740.98/x
  3. Step 3: Cross multiply
    1,006,315.44x = 1,390,707.81 × 824,740.98
  4. Step 4: Simplify right side
    1,006,315.44x = 1,146,973,722,113.05
  5. Step 5: Solve for x
    x = 1,146,973,722,113.05/1,006,315.44
  6. Step 6: Final answer
    x = 1,139,775.54

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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.