Home / 1,266,949.76-1,748,295.84-723,070.40

Finding the Fourth Proportional to 1,266,949.76, 1,748,295.84 and 723,070.40

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Solution

The fourth proportional to 1,266,949.76, 1,748,295.84 and 723,070.40 is: 997,783.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,266,949.76 : 1,748,295.84 = 723,070.40 : x
  2. Step 2: Convert to fraction form
    1,266,949.76/1,748,295.84 = 723,070.40/x
  3. Step 3: Cross multiply
    1,266,949.76x = 1,748,295.84 × 723,070.40
  4. Step 4: Simplify right side
    1,266,949.76x = 1,264,140,972,347.14
  5. Step 5: Solve for x
    x = 1,264,140,972,347.14/1,266,949.76
  6. Step 6: Final answer
    x = 997,783.03

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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.