Home / 1,266,812.16-1,748,234.75-715,483.63

Finding the Fourth Proportional to 1,266,812.16, 1,748,234.75 and 715,483.63

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Solution

The fourth proportional to 1,266,812.16, 1,748,234.75 and 715,483.63 is: 987,386.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,266,812.16 : 1,748,234.75 = 715,483.63 : x
  2. Step 2: Convert to fraction form
    1,266,812.16/1,748,234.75 = 715,483.63/x
  3. Step 3: Cross multiply
    1,266,812.16x = 1,748,234.75 × 715,483.63
  4. Step 4: Simplify right side
    1,266,812.16x = 1,250,833,343,630.02
  5. Step 5: Solve for x
    x = 1,250,833,343,630.02/1,266,812.16
  6. Step 6: Final answer
    x = 987,386.60

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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.