Home / 1,758,643.60-2,637,965.40-872,064.40

Finding the Fourth Proportional to 1,758,643.60, 2,637,965.40 and 872,064.40

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Solution

The fourth proportional to 1,758,643.60, 2,637,965.40 and 872,064.40 is: 1,308,096.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,758,643.60 : 2,637,965.40 = 872,064.40 : x
  2. Step 2: Convert to fraction form
    1,758,643.60/2,637,965.40 = 872,064.40/x
  3. Step 3: Cross multiply
    1,758,643.60x = 2,637,965.40 × 872,064.40
  4. Step 4: Simplify right side
    1,758,643.60x = 2,300,475,713,771.76
  5. Step 5: Solve for x
    x = 2,300,475,713,771.76/1,758,643.60
  6. Step 6: Final answer
    x = 1,308,096.60

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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.