Home / 1,030,127.70-1,421,402.99-686,476.67

Finding the Fourth Proportional to 1,030,127.70, 1,421,402.99 and 686,476.67

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Solution

The fourth proportional to 1,030,127.70, 1,421,402.99 and 686,476.67 is: 947,222.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,030,127.70 : 1,421,402.99 = 686,476.67 : x
  2. Step 2: Convert to fraction form
    1,030,127.70/1,421,402.99 = 686,476.67/x
  3. Step 3: Cross multiply
    1,030,127.70x = 1,421,402.99 × 686,476.67
  4. Step 4: Simplify right side
    1,030,127.70x = 975,759,980,763.85
  5. Step 5: Solve for x
    x = 975,759,980,763.85/1,030,127.70
  6. Step 6: Final answer
    x = 947,222.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.