Home / 1,028,225.16-1,418,749.08-646,030.50

Finding the Fourth Proportional to 1,028,225.16, 1,418,749.08 and 646,030.50

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Solution

The fourth proportional to 1,028,225.16, 1,418,749.08 and 646,030.50 is: 891,395.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,028,225.16 : 1,418,749.08 = 646,030.50 : x
  2. Step 2: Convert to fraction form
    1,028,225.16/1,418,749.08 = 646,030.50/x
  3. Step 3: Cross multiply
    1,028,225.16x = 1,418,749.08 × 646,030.50
  4. Step 4: Simplify right side
    1,028,225.16x = 916,555,174,296.79
  5. Step 5: Solve for x
    x = 916,555,174,296.79/1,028,225.16
  6. Step 6: Final answer
    x = 891,395.40

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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.