Home / 1,539,412.32-2,124,392.08-860,348.80

Finding the Fourth Proportional to 1,539,412.32, 2,124,392.08 and 860,348.80

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Solution

The fourth proportional to 1,539,412.32, 2,124,392.08 and 860,348.80 is: 1,187,283.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,539,412.32 : 2,124,392.08 = 860,348.80 : x
  2. Step 2: Convert to fraction form
    1,539,412.32/2,124,392.08 = 860,348.80/x
  3. Step 3: Cross multiply
    1,539,412.32x = 2,124,392.08 × 860,348.80
  4. Step 4: Simplify right side
    1,539,412.32x = 1,827,718,176,757.50
  5. Step 5: Solve for x
    x = 1,827,718,176,757.50/1,539,412.32
  6. Step 6: Final answer
    x = 1,187,283.06

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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.