Home / 1,678,031.35-2,315,510.69-942,868.87

Finding the Fourth Proportional to 1,678,031.35, 2,315,510.69 and 942,868.87

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Solution

The fourth proportional to 1,678,031.35, 2,315,510.69 and 942,868.87 is: 1,301,062.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,678,031.35 : 2,315,510.69 = 942,868.87 : x
  2. Step 2: Convert to fraction form
    1,678,031.35/2,315,510.69 = 942,868.87/x
  3. Step 3: Cross multiply
    1,678,031.35x = 2,315,510.69 × 942,868.87
  4. Step 4: Simplify right side
    1,678,031.35x = 2,183,222,937,250.10
  5. Step 5: Solve for x
    x = 2,183,222,937,250.10/1,678,031.35
  6. Step 6: Final answer
    x = 1,301,062.07

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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.