Home / 1,054,723.35-1,455,518.63-571,287

Finding the Fourth Proportional to 1,054,723.35, 1,455,518.63 and 571,287

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Solution

The fourth proportional to 1,054,723.35, 1,455,518.63 and 571,287 is: 788,376.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,054,723.35 : 1,455,518.63 = 571,287 : x
  2. Step 2: Convert to fraction form
    1,054,723.35/1,455,518.63 = 571,287/x
  3. Step 3: Cross multiply
    1,054,723.35x = 1,455,518.63 × 571,287
  4. Step 4: Simplify right side
    1,054,723.35x = 831,518,871,576.81
  5. Step 5: Solve for x
    x = 831,518,871,576.81/1,054,723.35
  6. Step 6: Final answer
    x = 788,376.28

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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.