Home / 1,751,280.30-2,416,762.85-987,328.40

Finding the Fourth Proportional to 1,751,280.30, 2,416,762.85 and 987,328.40

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Solution

The fourth proportional to 1,751,280.30, 2,416,762.85 and 987,328.40 is: 1,362,510.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,751,280.30 : 2,416,762.85 = 987,328.40 : x
  2. Step 2: Convert to fraction form
    1,751,280.30/2,416,762.85 = 987,328.40/x
  3. Step 3: Cross multiply
    1,751,280.30x = 2,416,762.85 × 987,328.40
  4. Step 4: Simplify right side
    1,751,280.30x = 2,386,138,580,849.48
  5. Step 5: Solve for x
    x = 2,386,138,580,849.48/1,751,280.30
  6. Step 6: Final answer
    x = 1,362,510.95

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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.