Home / 1,406,023.02-1,940,301.42-761,428.26

Finding the Fourth Proportional to 1,406,023.02, 1,940,301.42 and 761,428.26

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Solution

The fourth proportional to 1,406,023.02, 1,940,301.42 and 761,428.26 is: 1,050,765.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,406,023.02 : 1,940,301.42 = 761,428.26 : x
  2. Step 2: Convert to fraction form
    1,406,023.02/1,940,301.42 = 761,428.26/x
  3. Step 3: Cross multiply
    1,406,023.02x = 1,940,301.42 × 761,428.26
  4. Step 4: Simplify right side
    1,406,023.02x = 1,477,400,334,106.13
  5. Step 5: Solve for x
    x = 1,477,400,334,106.13/1,406,023.02
  6. Step 6: Final answer
    x = 1,050,765.40

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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.