Home / 1,256,289.90-1,733,833.98-740,017.12

Finding the Fourth Proportional to 1,256,289.90, 1,733,833.98 and 740,017.12

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Solution

The fourth proportional to 1,256,289.90, 1,733,833.98 and 740,017.12 is: 1,021,314.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,256,289.90 : 1,733,833.98 = 740,017.12 : x
  2. Step 2: Convert to fraction form
    1,256,289.90/1,733,833.98 = 740,017.12/x
  3. Step 3: Cross multiply
    1,256,289.90x = 1,733,833.98 × 740,017.12
  4. Step 4: Simplify right side
    1,256,289.90x = 1,283,066,828,437.74
  5. Step 5: Solve for x
    x = 1,283,066,828,437.74/1,256,289.90
  6. Step 6: Final answer
    x = 1,021,314.29

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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.