Home / 1,249,309.20-1,724,047.20-676,349.40

Finding the Fourth Proportional to 1,249,309.20, 1,724,047.20 and 676,349.40

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Solution

The fourth proportional to 1,249,309.20, 1,724,047.20 and 676,349.40 is: 933,362.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,249,309.20 : 1,724,047.20 = 676,349.40 : x
  2. Step 2: Convert to fraction form
    1,249,309.20/1,724,047.20 = 676,349.40/x
  3. Step 3: Cross multiply
    1,249,309.20x = 1,724,047.20 × 676,349.40
  4. Step 4: Simplify right side
    1,249,309.20x = 1,166,058,289,291.68
  5. Step 5: Solve for x
    x = 1,166,058,289,291.68/1,249,309.20
  6. Step 6: Final answer
    x = 933,362.44

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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.