Home / 1,021,188.81-1,531,073.88-452,259.90

Finding the Fourth Proportional to 1,021,188.81, 1,531,073.88 and 452,259.90

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Solution

The fourth proportional to 1,021,188.81, 1,531,073.88 and 452,259.90 is: 678,075.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,021,188.81 : 1,531,073.88 = 452,259.90 : x
  2. Step 2: Convert to fraction form
    1,021,188.81/1,531,073.88 = 452,259.90/x
  3. Step 3: Cross multiply
    1,021,188.81x = 1,531,073.88 × 452,259.90
  4. Step 4: Simplify right side
    1,021,188.81x = 692,443,319,861.41
  5. Step 5: Solve for x
    x = 692,443,319,861.41/1,021,188.81
  6. Step 6: Final answer
    x = 678,075.70

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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.