Home / 1,218,210.02-1,829,111.33-679,518.75

Finding the Fourth Proportional to 1,218,210.02, 1,829,111.33 and 679,518.75

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Solution

The fourth proportional to 1,218,210.02, 1,829,111.33 and 679,518.75 is: 1,020,280.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,218,210.02 : 1,829,111.33 = 679,518.75 : x
  2. Step 2: Convert to fraction form
    1,218,210.02/1,829,111.33 = 679,518.75/x
  3. Step 3: Cross multiply
    1,218,210.02x = 1,829,111.33 × 679,518.75
  4. Step 4: Simplify right side
    1,218,210.02x = 1,242,915,441,174.84
  5. Step 5: Solve for x
    x = 1,242,915,441,174.84/1,218,210.02
  6. Step 6: Final answer
    x = 1,020,280.10

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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.