Home / 1,098,482.90-1,648,696.35-648,641.30

Finding the Fourth Proportional to 1,098,482.90, 1,648,696.35 and 648,641.30

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Solution

The fourth proportional to 1,098,482.90, 1,648,696.35 and 648,641.30 is: 973,535.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,098,482.90 : 1,648,696.35 = 648,641.30 : x
  2. Step 2: Convert to fraction form
    1,098,482.90/1,648,696.35 = 648,641.30/x
  3. Step 3: Cross multiply
    1,098,482.90x = 1,648,696.35 × 648,641.30
  4. Step 4: Simplify right side
    1,098,482.90x = 1,069,412,543,769.26
  5. Step 5: Solve for x
    x = 1,069,412,543,769.26/1,098,482.90
  6. Step 6: Final answer
    x = 973,535.90

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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.