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Finding the Fourth Proportional to 975,393.90, 1,462,303.53 and 896,661.90

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Solution

The fourth proportional to 975,393.90, 1,462,303.53 and 896,661.90 is: 1,344,269.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    975,393.90 : 1,462,303.53 = 896,661.90 : x
  2. Step 2: Convert to fraction form
    975,393.90/1,462,303.53 = 896,661.90/x
  3. Step 3: Cross multiply
    975,393.90x = 1,462,303.53 × 896,661.90
  4. Step 4: Simplify right side
    975,393.90x = 1,311,191,861,586.51
  5. Step 5: Solve for x
    x = 1,311,191,861,586.51/975,393.90
  6. Step 6: Final answer
    x = 1,344,269.08

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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.