Home / 1,031,815.20-1,547,722.80-653,901.60

Finding the Fourth Proportional to 1,031,815.20, 1,547,722.80 and 653,901.60

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Solution

The fourth proportional to 1,031,815.20, 1,547,722.80 and 653,901.60 is: 980,852.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,031,815.20 : 1,547,722.80 = 653,901.60 : x
  2. Step 2: Convert to fraction form
    1,031,815.20/1,547,722.80 = 653,901.60/x
  3. Step 3: Cross multiply
    1,031,815.20x = 1,547,722.80 × 653,901.60
  4. Step 4: Simplify right side
    1,031,815.20x = 1,012,058,415,276.48
  5. Step 5: Solve for x
    x = 1,012,058,415,276.48/1,031,815.20
  6. Step 6: Final answer
    x = 980,852.40

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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.