Home / 1,281,312.48-1,768,075.92-708,260.16

Finding the Fourth Proportional to 1,281,312.48, 1,768,075.92 and 708,260.16

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Solution

The fourth proportional to 1,281,312.48, 1,768,075.92 and 708,260.16 is: 977,324.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,281,312.48 : 1,768,075.92 = 708,260.16 : x
  2. Step 2: Convert to fraction form
    1,281,312.48/1,768,075.92 = 708,260.16/x
  3. Step 3: Cross multiply
    1,281,312.48x = 1,768,075.92 × 708,260.16
  4. Step 4: Simplify right side
    1,281,312.48x = 1,252,257,733,991.35
  5. Step 5: Solve for x
    x = 1,252,257,733,991.35/1,281,312.48
  6. Step 6: Final answer
    x = 977,324.23

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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.