Home / 1,045,630.20-1,564,298.10-906,929.40

Finding the Fourth Proportional to 1,045,630.20, 1,564,298.10 and 906,929.40

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Solution

The fourth proportional to 1,045,630.20, 1,564,298.10 and 906,929.40 is: 1,356,797.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,045,630.20 : 1,564,298.10 = 906,929.40 : x
  2. Step 2: Convert to fraction form
    1,045,630.20/1,564,298.10 = 906,929.40/x
  3. Step 3: Cross multiply
    1,045,630.20x = 1,564,298.10 × 906,929.40
  4. Step 4: Simplify right side
    1,045,630.20x = 1,418,707,937,254.14
  5. Step 5: Solve for x
    x = 1,418,707,937,254.14/1,045,630.20
  6. Step 6: Final answer
    x = 1,356,797.02

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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.