Home / 1,054,870.32-1,455,725.49-571,435.47

Finding the Fourth Proportional to 1,054,870.32, 1,455,725.49 and 571,435.47

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Solution

The fourth proportional to 1,054,870.32, 1,455,725.49 and 571,435.47 is: 788,583.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,054,870.32 : 1,455,725.49 = 571,435.47 : x
  2. Step 2: Convert to fraction form
    1,054,870.32/1,455,725.49 = 571,435.47/x
  3. Step 3: Cross multiply
    1,054,870.32x = 1,455,725.49 × 571,435.47
  4. Step 4: Simplify right side
    1,054,870.32x = 831,853,179,569.13
  5. Step 5: Solve for x
    x = 831,853,179,569.13/1,054,870.32
  6. Step 6: Final answer
    x = 788,583.36

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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.