Home / 1,047,407.49-1,445,484.27-788,828.37

Finding the Fourth Proportional to 1,047,407.49, 1,445,484.27 and 788,828.37

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Solution

The fourth proportional to 1,047,407.49, 1,445,484.27 and 788,828.37 is: 1,088,629.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,047,407.49 : 1,445,484.27 = 788,828.37 : x
  2. Step 2: Convert to fraction form
    1,047,407.49/1,445,484.27 = 788,828.37/x
  3. Step 3: Cross multiply
    1,047,407.49x = 1,445,484.27 × 788,828.37
  4. Step 4: Simplify right side
    1,047,407.49x = 1,140,239,000,564.74
  5. Step 5: Solve for x
    x = 1,140,239,000,564.74/1,047,407.49
  6. Step 6: Final answer
    x = 1,088,629.79

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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.