Home / 1,316,998.72-1,817,466.96-713,386.72

Finding the Fourth Proportional to 1,316,998.72, 1,817,466.96 and 713,386.72

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Solution

The fourth proportional to 1,316,998.72, 1,817,466.96 and 713,386.72 is: 984,478.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,316,998.72 : 1,817,466.96 = 713,386.72 : x
  2. Step 2: Convert to fraction form
    1,316,998.72/1,817,466.96 = 713,386.72/x
  3. Step 3: Cross multiply
    1,316,998.72x = 1,817,466.96 × 713,386.72
  4. Step 4: Simplify right side
    1,316,998.72x = 1,296,556,793,302.77
  5. Step 5: Solve for x
    x = 1,296,556,793,302.77/1,316,998.72
  6. Step 6: Final answer
    x = 984,478.40

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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.