Home / 1,535,344.88-2,117,678.88-1,331,030.48

Finding the Fourth Proportional to 1,535,344.88, 2,117,678.88 and 1,331,030.48

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Solution

The fourth proportional to 1,535,344.88, 2,117,678.88 and 1,331,030.48 is: 1,835,871.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,535,344.88 : 2,117,678.88 = 1,331,030.48 : x
  2. Step 2: Convert to fraction form
    1,535,344.88/2,117,678.88 = 1,331,030.48/x
  3. Step 3: Cross multiply
    1,535,344.88x = 2,117,678.88 × 1,331,030.48
  4. Step 4: Simplify right side
    1,535,344.88x = 2,818,695,136,132.26
  5. Step 5: Solve for x
    x = 2,818,695,136,132.26/1,535,344.88
  6. Step 6: Final answer
    x = 1,835,871.00

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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.