Home / 1,098,962.40-1,648,443.60-618,697.20

Finding the Fourth Proportional to 1,098,962.40, 1,648,443.60 and 618,697.20

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Solution

The fourth proportional to 1,098,962.40, 1,648,443.60 and 618,697.20 is: 928,045.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,098,962.40 : 1,648,443.60 = 618,697.20 : x
  2. Step 2: Convert to fraction form
    1,098,962.40/1,648,443.60 = 618,697.20/x
  3. Step 3: Cross multiply
    1,098,962.40x = 1,648,443.60 × 618,697.20
  4. Step 4: Simplify right side
    1,098,962.40x = 1,019,887,439,677.92
  5. Step 5: Solve for x
    x = 1,019,887,439,677.92/1,098,962.40
  6. Step 6: Final answer
    x = 928,045.80

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1.5x scale

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.