Home / 990,001.80-1,484,225.10-546,769.80

Finding the Fourth Proportional to 990,001.80, 1,484,225.10 and 546,769.80

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Solution

The fourth proportional to 990,001.80, 1,484,225.10 and 546,769.80 is: 819,725.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    990,001.80 : 1,484,225.10 = 546,769.80 : x
  2. Step 2: Convert to fraction form
    990,001.80/1,484,225.10 = 546,769.80/x
  3. Step 3: Cross multiply
    990,001.80x = 1,484,225.10 × 546,769.80
  4. Step 4: Simplify right side
    990,001.80x = 811,529,461,081.98
  5. Step 5: Solve for x
    x = 811,529,461,081.98/990,001.80
  6. Step 6: Final answer
    x = 819,725.24

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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.