Home / 1,308,060-1,961,030.88-409,038.72

Finding the Fourth Proportional to 1,308,060, 1,961,030.88 and 409,038.72

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Solution

The fourth proportional to 1,308,060, 1,961,030.88 and 409,038.72 is: 613,226.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,308,060 : 1,961,030.88 = 409,038.72 : x
  2. Step 2: Convert to fraction form
    1,308,060/1,961,030.88 = 409,038.72/x
  3. Step 3: Cross multiply
    1,308,060x = 1,961,030.88 × 409,038.72
  4. Step 4: Simplify right side
    1,308,060x = 802,137,561,035.67
  5. Step 5: Solve for x
    x = 802,137,561,035.67/1,308,060
  6. Step 6: Final answer
    x = 613,226.89

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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.