Home / 1,218,535.17-1,681,631.10-674,670.98

Finding the Fourth Proportional to 1,218,535.17, 1,681,631.10 and 674,670.98

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Solution

The fourth proportional to 1,218,535.17, 1,681,631.10 and 674,670.98 is: 931,075.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,218,535.17 : 1,681,631.10 = 674,670.98 : x
  2. Step 2: Convert to fraction form
    1,218,535.17/1,681,631.10 = 674,670.98/x
  3. Step 3: Cross multiply
    1,218,535.17x = 1,681,631.10 × 674,670.98
  4. Step 4: Simplify right side
    1,218,535.17x = 1,134,547,693,827.32
  5. Step 5: Solve for x
    x = 1,134,547,693,827.32/1,218,535.17
  6. Step 6: Final answer
    x = 931,075.05

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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.