Home / 1,223,265.60-1,688,096.55-671,990.53

Finding the Fourth Proportional to 1,223,265.60, 1,688,096.55 and 671,990.53

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Solution

The fourth proportional to 1,223,265.60, 1,688,096.55 and 671,990.53 is: 927,341.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,223,265.60 : 1,688,096.55 = 671,990.53 : x
  2. Step 2: Convert to fraction form
    1,223,265.60/1,688,096.55 = 671,990.53/x
  3. Step 3: Cross multiply
    1,223,265.60x = 1,688,096.55 × 671,990.53
  4. Step 4: Simplify right side
    1,223,265.60x = 1,134,384,895,325.67
  5. Step 5: Solve for x
    x = 1,134,384,895,325.67/1,223,265.60
  6. Step 6: Final answer
    x = 927,341.45

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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.