Home / 1,298,056.40-1,946,501.40-499,072.40

Finding the Fourth Proportional to 1,298,056.40, 1,946,501.40 and 499,072.40

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Solution

The fourth proportional to 1,298,056.40, 1,946,501.40 and 499,072.40 is: 748,384.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,298,056.40 : 1,946,501.40 = 499,072.40 : x
  2. Step 2: Convert to fraction form
    1,298,056.40/1,946,501.40 = 499,072.40/x
  3. Step 3: Cross multiply
    1,298,056.40x = 1,946,501.40 × 499,072.40
  4. Step 4: Simplify right side
    1,298,056.40x = 971,445,125,301.36
  5. Step 5: Solve for x
    x = 971,445,125,301.36/1,298,056.40
  6. Step 6: Final answer
    x = 748,384.37

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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.