Home / 1,500,726.83-2,069,604-1,389,262.57

Finding the Fourth Proportional to 1,500,726.83, 2,069,604 and 1,389,262.57

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Solution

The fourth proportional to 1,500,726.83, 2,069,604 and 1,389,262.57 is: 1,915,887.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,500,726.83 : 2,069,604 = 1,389,262.57 : x
  2. Step 2: Convert to fraction form
    1,500,726.83/2,069,604 = 1,389,262.57/x
  3. Step 3: Cross multiply
    1,500,726.83x = 2,069,604 × 1,389,262.57
  4. Step 4: Simplify right side
    1,500,726.83x = 2,875,223,366,748.27
  5. Step 5: Solve for x
    x = 2,875,223,366,748.27/1,500,726.83
  6. Step 6: Final answer
    x = 1,915,887.23

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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.