Home / 1,765,130.32-2,435,802.88-980,147.52

Finding the Fourth Proportional to 1,765,130.32, 2,435,802.88 and 980,147.52

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Solution

The fourth proportional to 1,765,130.32, 2,435,802.88 and 980,147.52 is: 1,352,560.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,765,130.32 : 2,435,802.88 = 980,147.52 : x
  2. Step 2: Convert to fraction form
    1,765,130.32/2,435,802.88 = 980,147.52/x
  3. Step 3: Cross multiply
    1,765,130.32x = 2,435,802.88 × 980,147.52
  4. Step 4: Simplify right side
    1,765,130.32x = 2,387,446,152,040.86
  5. Step 5: Solve for x
    x = 2,387,446,152,040.86/1,765,130.32
  6. Step 6: Final answer
    x = 1,352,560.84

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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.