Home / 1,031,699.20-1,547,548.80-653,785.60

Finding the Fourth Proportional to 1,031,699.20, 1,547,548.80 and 653,785.60

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Solution

The fourth proportional to 1,031,699.20, 1,547,548.80 and 653,785.60 is: 980,678.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,031,699.20 : 1,547,548.80 = 653,785.60 : x
  2. Step 2: Convert to fraction form
    1,031,699.20/1,547,548.80 = 653,785.60/x
  3. Step 3: Cross multiply
    1,031,699.20x = 1,547,548.80 × 653,785.60
  4. Step 4: Simplify right side
    1,031,699.20x = 1,011,765,120,737.28
  5. Step 5: Solve for x
    x = 1,011,765,120,737.28/1,031,699.20
  6. Step 6: Final answer
    x = 980,678.40

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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.