Home / 1,139,535.95-1,573,043.85-710,028.32

Finding the Fourth Proportional to 1,139,535.95, 1,573,043.85 and 710,028.32

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Solution

The fourth proportional to 1,139,535.95, 1,573,043.85 and 710,028.32 is: 980,140.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,139,535.95 : 1,573,043.85 = 710,028.32 : x
  2. Step 2: Convert to fraction form
    1,139,535.95/1,573,043.85 = 710,028.32/x
  3. Step 3: Cross multiply
    1,139,535.95x = 1,573,043.85 × 710,028.32
  4. Step 4: Simplify right side
    1,139,535.95x = 1,116,905,686,034.44
  5. Step 5: Solve for x
    x = 1,116,905,686,034.44/1,139,535.95
  6. Step 6: Final answer
    x = 980,140.81

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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.