Home / 1,507,430.61-2,080,267.38-819,102.47

Finding the Fourth Proportional to 1,507,430.61, 2,080,267.38 and 819,102.47

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Solution

The fourth proportional to 1,507,430.61, 2,080,267.38 and 819,102.47 is: 1,130,368.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,507,430.61 : 2,080,267.38 = 819,102.47 : x
  2. Step 2: Convert to fraction form
    1,507,430.61/2,080,267.38 = 819,102.47/x
  3. Step 3: Cross multiply
    1,507,430.61x = 2,080,267.38 × 819,102.47
  4. Step 4: Simplify right side
    1,507,430.61x = 1,703,952,149,689.73
  5. Step 5: Solve for x
    x = 1,703,952,149,689.73/1,507,430.61
  6. Step 6: Final answer
    x = 1,130,368.55

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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.