Home / 1,425,765.51-1,967,556.02-781,210.17

Finding the Fourth Proportional to 1,425,765.51, 1,967,556.02 and 781,210.17

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Solution

The fourth proportional to 1,425,765.51, 1,967,556.02 and 781,210.17 is: 1,078,069.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,425,765.51 : 1,967,556.02 = 781,210.17 : x
  2. Step 2: Convert to fraction form
    1,425,765.51/1,967,556.02 = 781,210.17/x
  3. Step 3: Cross multiply
    1,425,765.51x = 1,967,556.02 × 781,210.17
  4. Step 4: Simplify right side
    1,425,765.51x = 1,537,074,768,962.67
  5. Step 5: Solve for x
    x = 1,537,074,768,962.67/1,425,765.51
  6. Step 6: Final answer
    x = 1,078,069.82

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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.