Home / 1,580,887.34-2,371,708.29-515,931.38

Finding the Fourth Proportional to 1,580,887.34, 2,371,708.29 and 515,931.38

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Solution

The fourth proportional to 1,580,887.34, 2,371,708.29 and 515,931.38 is: 774,020.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,580,887.34 : 2,371,708.29 = 515,931.38 : x
  2. Step 2: Convert to fraction form
    1,580,887.34/2,371,708.29 = 515,931.38/x
  3. Step 3: Cross multiply
    1,580,887.34x = 2,371,708.29 × 515,931.38
  4. Step 4: Simplify right side
    1,580,887.34x = 1,223,638,731,017.14
  5. Step 5: Solve for x
    x = 1,223,638,731,017.14/1,580,887.34
  6. Step 6: Final answer
    x = 774,020.20

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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.