Home / 1,249,309.36-1,724,047.64-676,349.79

Finding the Fourth Proportional to 1,249,309.36, 1,724,047.64 and 676,349.79

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Solution

The fourth proportional to 1,249,309.36, 1,724,047.64 and 676,349.79 is: 933,363.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,249,309.36 : 1,724,047.64 = 676,349.79 : x
  2. Step 2: Convert to fraction form
    1,249,309.36/1,724,047.64 = 676,349.79/x
  3. Step 3: Cross multiply
    1,249,309.36x = 1,724,047.64 × 676,349.79
  4. Step 4: Simplify right side
    1,249,309.36x = 1,166,059,259,264.00
  5. Step 5: Solve for x
    x = 1,166,059,259,264.00/1,249,309.36
  6. Step 6: Final answer
    x = 933,363.10

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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.