Home / 1,087,089.12-1,499,941.40-657,360.23

Finding the Fourth Proportional to 1,087,089.12, 1,499,941.40 and 657,360.23

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Solution

The fourth proportional to 1,087,089.12, 1,499,941.40 and 657,360.23 is: 907,011.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,089.12 : 1,499,941.40 = 657,360.23 : x
  2. Step 2: Convert to fraction form
    1,087,089.12/1,499,941.40 = 657,360.23/x
  3. Step 3: Cross multiply
    1,087,089.12x = 1,499,941.40 × 657,360.23
  4. Step 4: Simplify right side
    1,087,089.12x = 986,001,812,904.01
  5. Step 5: Solve for x
    x = 986,001,812,904.01/1,087,089.12
  6. Step 6: Final answer
    x = 907,011.02

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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.