Home / 1,565,345.20-2,348,795.40-618,746.80

Finding the Fourth Proportional to 1,565,345.20, 2,348,795.40 and 618,746.80

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Solution

The fourth proportional to 1,565,345.20, 2,348,795.40 and 618,746.80 is: 928,427.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,565,345.20 : 2,348,795.40 = 618,746.80 : x
  2. Step 2: Convert to fraction form
    1,565,345.20/2,348,795.40 = 618,746.80/x
  3. Step 3: Cross multiply
    1,565,345.20x = 2,348,795.40 × 618,746.80
  4. Step 4: Simplify right side
    1,565,345.20x = 1,453,309,637,604.72
  5. Step 5: Solve for x
    x = 1,453,309,637,604.72/1,565,345.20
  6. Step 6: Final answer
    x = 928,427.57

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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.