Home / 1,578,948.54-2,178,971.40-966,877.98

Finding the Fourth Proportional to 1,578,948.54, 2,178,971.40 and 966,877.98

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Solution

The fourth proportional to 1,578,948.54, 2,178,971.40 and 966,877.98 is: 1,334,305.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,578,948.54 : 2,178,971.40 = 966,877.98 : x
  2. Step 2: Convert to fraction form
    1,578,948.54/2,178,971.40 = 966,877.98/x
  3. Step 3: Cross multiply
    1,578,948.54x = 2,178,971.40 × 966,877.98
  4. Step 4: Simplify right side
    1,578,948.54x = 2,106,799,465,709.77
  5. Step 5: Solve for x
    x = 2,106,799,465,709.77/1,578,948.54
  6. Step 6: Final answer
    x = 1,334,305.34

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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.