Home / 1,408,075.48-1,943,141.70-787,881.16

Finding the Fourth Proportional to 1,408,075.48, 1,943,141.70 and 787,881.16

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Solution

The fourth proportional to 1,408,075.48, 1,943,141.70 and 787,881.16 is: 1,087,274.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,408,075.48 : 1,943,141.70 = 787,881.16 : x
  2. Step 2: Convert to fraction form
    1,408,075.48/1,943,141.70 = 787,881.16/x
  3. Step 3: Cross multiply
    1,408,075.48x = 1,943,141.70 × 787,881.16
  4. Step 4: Simplify right side
    1,408,075.48x = 1,530,964,736,640.37
  5. Step 5: Solve for x
    x = 1,530,964,736,640.37/1,408,075.48
  6. Step 6: Final answer
    x = 1,087,274.62

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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.