Home / 1,402,161.40-2,103,242.10-391,281.40

Finding the Fourth Proportional to 1,402,161.40, 2,103,242.10 and 391,281.40

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Solution

The fourth proportional to 1,402,161.40, 2,103,242.10 and 391,281.40 is: 586,922.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,402,161.40 : 2,103,242.10 = 391,281.40 : x
  2. Step 2: Convert to fraction form
    1,402,161.40/2,103,242.10 = 391,281.40/x
  3. Step 3: Cross multiply
    1,402,161.40x = 2,103,242.10 × 391,281.40
  4. Step 4: Simplify right side
    1,402,161.40x = 822,959,513,426.94
  5. Step 5: Solve for x
    x = 822,959,513,426.94/1,402,161.40
  6. Step 6: Final answer
    x = 586,922.10

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1.5x scale

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.