Home / 715,938.41-1,075,875.93-669,125.67

Finding the Fourth Proportional to 715,938.41, 1,075,875.93 and 669,125.67

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Solution

The fourth proportional to 715,938.41, 1,075,875.93 and 669,125.67 is: 1,005,528.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,938.41 : 1,075,875.93 = 669,125.67 : x
  2. Step 2: Convert to fraction form
    715,938.41/1,075,875.93 = 669,125.67/x
  3. Step 3: Cross multiply
    715,938.41x = 1,075,875.93 × 669,125.67
  4. Step 4: Simplify right side
    715,938.41x = 719,896,199,152.50
  5. Step 5: Solve for x
    x = 719,896,199,152.50/715,938.41
  6. Step 6: Final answer
    x = 1,005,528.12

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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.