Home / 1,572,989-2,359,492.14-391,037

Finding the Fourth Proportional to 1,572,989, 2,359,492.14 and 391,037

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Solution

The fourth proportional to 1,572,989, 2,359,492.14 and 391,037 is: 586,557.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,572,989 : 2,359,492.14 = 391,037 : x
  2. Step 2: Convert to fraction form
    1,572,989/2,359,492.14 = 391,037/x
  3. Step 3: Cross multiply
    1,572,989x = 2,359,492.14 × 391,037
  4. Step 4: Simplify right side
    1,572,989x = 922,648,727,949.18
  5. Step 5: Solve for x
    x = 922,648,727,949.18/1,572,989
  6. Step 6: Final answer
    x = 586,557.65

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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.