Home / 1,539,655.10-2,124,680.10-851,315.12

Finding the Fourth Proportional to 1,539,655.10, 2,124,680.10 and 851,315.12

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Solution

The fourth proportional to 1,539,655.10, 2,124,680.10 and 851,315.12 is: 1,174,790.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,539,655.10 : 2,124,680.10 = 851,315.12 : x
  2. Step 2: Convert to fraction form
    1,539,655.10/2,124,680.10 = 851,315.12/x
  3. Step 3: Cross multiply
    1,539,655.10x = 2,124,680.10 × 851,315.12
  4. Step 4: Simplify right side
    1,539,655.10x = 1,808,772,294,293.11
  5. Step 5: Solve for x
    x = 1,808,772,294,293.11/1,539,655.10
  6. Step 6: Final answer
    x = 1,174,790.57

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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.