Home / 1,045,234.60-1,565,519.10-807,807.40

Finding the Fourth Proportional to 1,045,234.60, 1,565,519.10 and 807,807.40

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Solution

The fourth proportional to 1,045,234.60, 1,565,519.10 and 807,807.40 is: 1,209,908.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,045,234.60 : 1,565,519.10 = 807,807.40 : x
  2. Step 2: Convert to fraction form
    1,045,234.60/1,565,519.10 = 807,807.40/x
  3. Step 3: Cross multiply
    1,045,234.60x = 1,565,519.10 × 807,807.40
  4. Step 4: Simplify right side
    1,045,234.60x = 1,264,637,913,821.34
  5. Step 5: Solve for x
    x = 1,264,637,913,821.34/1,045,234.60
  6. Step 6: Final answer
    x = 1,209,908.20

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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.