Home / 1,557,947.40-2,337,139.80-492,878.40

Finding the Fourth Proportional to 1,557,947.40, 2,337,139.80 and 492,878.40

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Solution

The fourth proportional to 1,557,947.40, 2,337,139.80 and 492,878.40 is: 739,386.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,557,947.40 : 2,337,139.80 = 492,878.40 : x
  2. Step 2: Convert to fraction form
    1,557,947.40/2,337,139.80 = 492,878.40/x
  3. Step 3: Cross multiply
    1,557,947.40x = 2,337,139.80 × 492,878.40
  4. Step 4: Simplify right side
    1,557,947.40x = 1,151,925,725,200.32
  5. Step 5: Solve for x
    x = 1,151,925,725,200.32/1,557,947.40
  6. Step 6: Final answer
    x = 739,386.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.