Home / 1,109,885.40-1,664,828.10-578,444.40

Finding the Fourth Proportional to 1,109,885.40, 1,664,828.10 and 578,444.40

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Solution

The fourth proportional to 1,109,885.40, 1,664,828.10 and 578,444.40 is: 867,666.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,109,885.40 : 1,664,828.10 = 578,444.40 : x
  2. Step 2: Convert to fraction form
    1,109,885.40/1,664,828.10 = 578,444.40/x
  3. Step 3: Cross multiply
    1,109,885.40x = 1,664,828.10 × 578,444.40
  4. Step 4: Simplify right side
    1,109,885.40x = 963,010,491,407.64
  5. Step 5: Solve for x
    x = 963,010,491,407.64/1,109,885.40
  6. Step 6: Final answer
    x = 867,666.60

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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.