Home / 1,272,543.44-1,756,146.29-775,856.00

Finding the Fourth Proportional to 1,272,543.44, 1,756,146.29 and 775,856.00

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Solution

The fourth proportional to 1,272,543.44, 1,756,146.29 and 775,856.00 is: 1,070,703.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,272,543.44 : 1,756,146.29 = 775,856.00 : x
  2. Step 2: Convert to fraction form
    1,272,543.44/1,756,146.29 = 775,856.00/x
  3. Step 3: Cross multiply
    1,272,543.44x = 1,756,146.29 × 775,856.00
  4. Step 4: Simplify right side
    1,272,543.44x = 1,362,516,640,364.61
  5. Step 5: Solve for x
    x = 1,362,516,640,364.61/1,272,543.44
  6. Step 6: Final answer
    x = 1,070,703.44

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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.