Home / 1,323,987.56-1,827,293.76-735,421.26

Finding the Fourth Proportional to 1,323,987.56, 1,827,293.76 and 735,421.26

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Solution

The fourth proportional to 1,323,987.56, 1,827,293.76 and 735,421.26 is: 1,014,987.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,323,987.56 : 1,827,293.76 = 735,421.26 : x
  2. Step 2: Convert to fraction form
    1,323,987.56/1,827,293.76 = 735,421.26/x
  3. Step 3: Cross multiply
    1,323,987.56x = 1,827,293.76 × 735,421.26
  4. Step 4: Simplify right side
    1,323,987.56x = 1,343,830,679,369.34
  5. Step 5: Solve for x
    x = 1,343,830,679,369.34/1,323,987.56
  6. Step 6: Final answer
    x = 1,014,987.39

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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.