Home / 1,369,724.83-1,890,275.98-757,867.63

Finding the Fourth Proportional to 1,369,724.83, 1,890,275.98 and 757,867.63

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Solution

The fourth proportional to 1,369,724.83, 1,890,275.98 and 757,867.63 is: 1,045,888.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,369,724.83 : 1,890,275.98 = 757,867.63 : x
  2. Step 2: Convert to fraction form
    1,369,724.83/1,890,275.98 = 757,867.63/x
  3. Step 3: Cross multiply
    1,369,724.83x = 1,890,275.98 × 757,867.63
  4. Step 4: Simplify right side
    1,369,724.83x = 1,432,578,977,008.53
  5. Step 5: Solve for x
    x = 1,432,578,977,008.53/1,369,724.83
  6. Step 6: Final answer
    x = 1,045,888.16

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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.