Home / 1,309,674.80-1,807,430.28-736,752.08

Finding the Fourth Proportional to 1,309,674.80, 1,807,430.28 and 736,752.08

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Solution

The fourth proportional to 1,309,674.80, 1,807,430.28 and 736,752.08 is: 1,016,762.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,309,674.80 : 1,807,430.28 = 736,752.08 : x
  2. Step 2: Convert to fraction form
    1,309,674.80/1,807,430.28 = 736,752.08/x
  3. Step 3: Cross multiply
    1,309,674.80x = 1,807,430.28 × 736,752.08
  4. Step 4: Simplify right side
    1,309,674.80x = 1,331,628,018,244.98
  5. Step 5: Solve for x
    x = 1,331,628,018,244.98/1,309,674.80
  6. Step 6: Final answer
    x = 1,016,762.34

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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.