Home / 1,415,943.55-1,953,994.44-771,362.20

Finding the Fourth Proportional to 1,415,943.55, 1,953,994.44 and 771,362.20

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Solution

The fourth proportional to 1,415,943.55, 1,953,994.44 and 771,362.20 is: 1,064,475.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,415,943.55 : 1,953,994.44 = 771,362.20 : x
  2. Step 2: Convert to fraction form
    1,415,943.55/1,953,994.44 = 771,362.20/x
  3. Step 3: Cross multiply
    1,415,943.55x = 1,953,994.44 × 771,362.20
  4. Step 4: Simplify right side
    1,415,943.55x = 1,507,237,450,026.17
  5. Step 5: Solve for x
    x = 1,507,237,450,026.17/1,415,943.55
  6. Step 6: Final answer
    x = 1,064,475.66

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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.