Home / 1,272,479.48-1,756,009.30-947,246.91

Finding the Fourth Proportional to 1,272,479.48, 1,756,009.30 and 947,246.91

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Solution

The fourth proportional to 1,272,479.48, 1,756,009.30 and 947,246.91 is: 1,307,191.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,272,479.48 : 1,756,009.30 = 947,246.91 : x
  2. Step 2: Convert to fraction form
    1,272,479.48/1,756,009.30 = 947,246.91/x
  3. Step 3: Cross multiply
    1,272,479.48x = 1,756,009.30 × 947,246.91
  4. Step 4: Simplify right side
    1,272,479.48x = 1,663,374,378,620.03
  5. Step 5: Solve for x
    x = 1,663,374,378,620.03/1,272,479.48
  6. Step 6: Final answer
    x = 1,307,191.52

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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.