Home / 1,098,554.40-1,648,803.60-648,712.80

Finding the Fourth Proportional to 1,098,554.40, 1,648,803.60 and 648,712.80

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Solution

The fourth proportional to 1,098,554.40, 1,648,803.60 and 648,712.80 is: 973,643.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,098,554.40 : 1,648,803.60 = 648,712.80 : x
  2. Step 2: Convert to fraction form
    1,098,554.40/1,648,803.60 = 648,712.80/x
  3. Step 3: Cross multiply
    1,098,554.40x = 1,648,803.60 × 648,712.80
  4. Step 4: Simplify right side
    1,098,554.40x = 1,069,600,000,006.08
  5. Step 5: Solve for x
    x = 1,069,600,000,006.08/1,098,554.40
  6. Step 6: Final answer
    x = 973,643.18

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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.